4.V SERENISSIME PRINCE HENRY PRINCE OF GAL LES, D VC DE COR NVAILLE, & c. EreniffimePrince, having had it for two or three years l.vJ .. no lessons from perfpeetue, & having recognized since .,.!>. I would like to have the honor of being at your service, con11nc it {e deleéte in all strong of fcicnces, that me in hardyde bring the lessons to light in the Fran-Çoife language, then c.1u • iJ n1efen1ble that this fcience has not yet been well deltlonfl: réeen icellelague: carcequi en aefl: efiiciufques preferably, n · afté deltlon11réon aulcun. And between the fciencesdefpendantes of Mathen1at1ques, that icy is cant neceifaire, that it is n1a! aif to order well the wards of Archeturetic than of paint, that we do not have any co.noiifance: & con1medieVitruueau Chap.2.defon first book of Architéture, I · Archiceéture ell: vne dilpoficion of good conuenances of the Partiesdn a baftiméc deproporcion, meftire, diftribution & decoration, lefqueHesparties enfen1 ble the Greeks name raxis, that is to say, order: apresfaulc cercher àdonner thanks to any quality of haulings arrives good coJ.cacion of members, that the Greeks call : that is to say, difpofitio! which includes threeefpecesqtrilsnomment Idées.Par first fqu, eft known Ingnografie) eft heard the plan or terraf descripcions & / neamens places places. La fcconde efpccc (l! Ice Ort? Grafie) eftv: ne eprefentaciondenla fio-urereleuée ducorps or baft1menc: a111fi by tro1fiffrne (called Scenog.afie) onvoidI · adumbratio. or deepening, with a shortening of the forehead & of the glue, made by the rifon of a perfpeétiuen.In these crosses of deff usdeclared naive of the imagination _not . of attention of the engineer or. Archettee, is obfuer lneurithmie des · Nrec .: quieft vne conuenace such as your .lc.ife defire quifo.t guarded at lt does Vosbaftin1éts & ouurages.I · ayaufs1 fa.1t in this prefer liure some.demonftrations to colocate the shadows .ux corpsfides: ceftvne Part deperfpeénue very neceifaire for_p1ncres: because 1-we can not repreenten painting with no one chooses of good faith the shadows do make kllec some raifon.Outr. .wus i 'ay enco.es .e1nnflré lamanie; c .omme Scorpsfolidesfe reprefencent danslesmiro1rs, chofe aifez may be treated by .deuant. the euifes well little increase the whole of several other figures 1 time would have allowed it: but the adventures of your Alteife m ocJipent such as how I had it. from 1.1cttrefin to prefent ouur.> Losing for a while now the lo1fir d acheuervn another work 1a b0 111rnencé: & meanwhile, it will please your A1teife to have this mine small la-11ur pleasant, & pray all the time God that he wears it to increase voftren telfede fa fainc.e benedî.ion, & Iuy don.er vne longue & heureufe \nothing_ , De'Voftrema1fon de Richemont the first 1ourd'Oéèobre, 16u. Vojlre obeijfant & fideUe feruitettT SALOMON DB. CAVLS. - . 1 -1 IN MONSIEVR DE CAVLS , 1 Anacrotichefurfon name • ., If the nonu have in them what strength and power. '' .d UC'f la f age / Je, on t · impofa le 1101n, 1 L e (mower 11ra.v makes it, of which t'Ùn1nortel ren0111 s 0 fie aux 111eilleur1 J 11the11rs thonneur tfé, tauaijfance: 5 Mau (t le el} _rit des1norts, re-en aultrejubflance, 0 ufe glijfe 1nfe1ifi6 / e, auec nojl_rc raifan, Pen111penferons de 11oir, cel1v de Salo111on . the D efliédefon corpt, faireau tien refidence: / 8 (lant en ton uf uril, Ji re, np {yde (mower, Design the science, with 111,; d1 / ie: i: l 1/1 yant · w1e / pritmeur, aupr: nte111ps deta'llie, e l Y ne kind sweetness, full of huh, nhle deoir: .e L · admired6 / e drchimede, & J7itruue reuiuent -. j S ouhr ter in11e11rion1, 1uide well presuits juiuent. E 1 Vojlrc affeElionnl Jêr1titell1 '> lacquer the Mayor. IJ 1 : i I its r .: ; 1 r I 1 '$ 1 , 1 • . fol. 7. f.9. f.8. f.10.e f.3z..ef.33.e l trgcttc At Leél: eur. litn heard by Joubte fans, we can make something of what we fir11,. ÀII refie e'11ymis! T difcours des ftgures most brie / t! 'Lil m'n ,. it pojible [upliant the ber; ing Leéleur to have recourse to f, gures, ji the difcours not lioness .'1ntelli · genet ce n'e! not cho [e facille de demon {lrer ceft 11, rt in writing · D1eufoyt guard of .or .. AT As long as no trafee of chofe, it will not be able to give the infr, gence of the Figures, of which we will treat cy after, that is to say show the form of each parricular figure with this name, because for the confruction of these figures it is not befoing to encircle, it is: a particular art of which so many pediments have dealt with it: é that fe (would be fuperfiLJ hey to show off • no shit, so we can learn in fes figures • their no1 frulcrnenc • ... , '' nth / k UJI { .; 1111111, '• (( \ G '/ Af.'1;' V, 1 •., T1 /., Definition premiet '. L.Q.I. IS THE CENTER OF TOVT THIS Q VE WE'RE VOID. Explanation. Omme all viable chofes take their origin from J'ceil '. so dl 11 the center of this way, & con11nc the eye dl difo F ,,, ... the eye, because the!) Oinél: from which we see n'tfl: not in the 1uper . ::::,:, eye tricks may. dl: inside iceluy & the cho (e viGble fe comes rcprefenter in the area of ​​the eye t] UÏ cfi con11nc vn verre & dl: ant la le poinéè de veae (guieft vne gureau aurrcmt: nt called nerf opriq.e) reguardc la chofe veüe enla (surface area of ​​the eye) , & as the led1 cr poinét de vcue dl near the {uperficiede l'oeil aioG weauauvc short or long, conne con for example: empJ.e: foytle poinél: devc: üe, or taste of 1u, or nerve optic (although there is (e {oyt carce n 'dl: gu'vn ​​poinéèduquel we see) 1narqué A. & foyc la [upeJ6cie de l'oeil qui est con11ne vn glass 111argué B C. & foyc la chofe vifible DE. foyent waxed 1sraysvifuelsdu poinél: A. iufques à la chofe viGble pa {fans to fear the size of the eye B. C, then the chofe vrGble fe will see greatness BC in the surface area of ​​the eye GH & the vile chofe 1. L . & pull the bright rays as dfus it cftcertain that the sharp chofe fe repreence to the eye A. larger than that to F. & of the aduienc that there is to plulieur5 perfon nes & nocan1n1enc in Po rcuguallefqucls on le poinél: de veue fiprofond. in the teft. :: what does it cost • it looks G big because the ray :, vilirels fr dilate G loing! es vn ':, others that they make sure to wear short glasses!) Our ayder to refurbish the vifuelsrays for this 1noyen cü (hnguer the cho [e vifible better, or these same perfonnes have a vu aduantage great to those who see close, especially as they see the chofes delic.ues more perfect: emeo c & auflï fonr fore pro · pres to make delicate coatings, because by comparison the groaning of a grain of na They will look as big as no peas. L. E RAIS VISVELS ARE STRAIGHT LINES IMAGINES FROM THE VISIBLE THING SEVENANS REN ORE TO THE EYE. Definition second [mo. L A chofe veüe fe coming to reprefent to the eye (she comes there by rays straight or sharp rays, & must be understood that we do not draw lefdiél: s sharp rays as each angle of the sharp chofe as much as ayans cous the angles of figure 11 fora after facille to draw the lines from an angle to the. to be to perfect the Jr in a short or rnrd1n or no cl1o (e which to see f.n1dras _ e.euer 1ed1éè po1né1 pl us! nue rellen1c: nc que fou eflcuacion will do at diltn: rion n1ais à chofes ind1ferenrcs must be more than five feet. or enLüron. lGNOGR.APHIE IS THE PLATE OV FLATTE FORs1 \ 1E FROM HERE AND I V I SI .B LE. Definition nafafief. FIRST that in order to have no shortened figure, it leads us to have height, length and width of all lengths and widths. It will be done in a plan that the Greeks will name Ignography. ORTOGRAPHY ES ':( TOVTES LES HA, RTEVR S OF THE VISIBLE THING Q., WE WISH TO PUT IN RACOVRClSSEMENT. Diflnztion dixit [me. The other plan called (: Recs Orrography dl seen of dislocation of the chofcsvi! Ible at the ddfus of the earth line. SCENOGR.PHIE IS THE RACOVRCISSEMENT OF THE VISIBLE THING. 'Definition eleven (r.ne. S Ccnographie, is to say dcfcrip.ion? Es S_ce? Es or Thoacres à ef1c ainfisdiéte des Grec. à caufe co1nmc dtél: V1rrutyeImre 7. Cha p. 5. quesl: s Grecss _ take incenters of the arches and where we remember the feenngoyenc names with their strong diuerfos paints I color: s conre les murailles & counterfeit les Sccnesd'onr en three ragged cragiccornical & fateful from the wheel what. ell: é shortened by reason of perfpeétiue fe names fccnographie as 1I fo can still. see in mcfme Autheur liure first Chap. two. ln vore that the's two vifiblcs aucc le P01nél-de l'oeil make two trianrrles & the angle of the point A of the triangle. ù. E. dl: more. great than the ar> ale of the fine poined J \. B. C.n .---:. ,,, / Theorefmt ftxitfmc. CE Q_ vr SE VOID SOVBS AN • G LES E GA V X SE MON STRENT EGAVX. Explanation. S Oy eye A. & the lively chofes DE. & I B.-Foyt ti1 é lesraysvifuels & foyt _a porc1on de cercle F G H! angle AH! .dl: egual_nà: \ F G. all the more so! di: l: ince I. H. cfleguale à G F. n1aisla chofo v1fibk 13 C eH: plusgrand-: q.e DE left1uelks n.au1uoinrs Tbeorefanc faptitf me. c E Q V l s E V O I [) s üVBs p LV s 1n . PETIT AN G L ë SE .l ON T1 ,. / " .. each of the goats au poinél: from eye to you see q the ray. virucls of -. 1) F • Theorcf me huiflitfme. THINGS EGVALL ES Q_VI ARE PERPE N. DI C V LAIR ES DON N EN T LE V R S RA CO V R C l SS E. ME T S Df. THEMES. Explanation. .: !! - il · ... # Oye the perpendicular line thin in elgu.11les parts, as B C. C 1). D E. E F. & foyc l'ceil 1narcqué A le.nrays vifuels will draw from cha: a pointè of sizes , iufques to the eye after waxing vne or more Geurs lines perpendt · .P cula1res between the eye & the grainy line during the magnitudes fo r -,; ... ront égales felon la crence fepcicfme propo! icion du prc 1st of Euclid's e0en1enrs where it deviates all triangles e! l: ant fur mefn1esbafes & between mefrues paralelles make equal inks them the rriJngle therefore that B CA. dl égal à C D A & à cous les autres aunî q • Ji font fJ iérs {iu the mef1ne line, after ielon the second propmeGtion of the fixiefi11e, it deviates raw fi ve a drojéèe line cuts the two cost of a triangle the bevels will make pro · porcionnaux between them, & fi the angles make proporcion..1ux ink them , it is nece! fairc that all the equal cost coefficients of the line G H. so it fe can perceive by this raifon traffic that roads the perpendicular sizes are not don-e 1 do not have any. racour.iffernenc,. G 1 - <• VS E .---, - ... J ..------ y ,, - =: - === ---- "'. = :: ---_: === ::::::: ·. I give -cray again another example of an aanuit that cecy-mèrier: U'eftreentendu, foy t vn bafliment ou cour cOeuée of a hundred feet high, & that there are yy windows 1n marked those of high B. & those of bottom C. & foyr l'oeil A. foyc aprestirées the rays vifueb lefquel s palfcron. through the tail line Iéc, jl eft cer · t, Ùnqu. leracourçi! fen1ent which kra fur the curd line tanc of those high than those of ba. will do efgual, 1nais il el1 bjen certain that these bottom stockings that see me fart more biganglefmonftrent larger fclon the c1ncquiefme Theo. re (n-1c, & to show how much the circle F. D. H. I. of the eye will have the center, but the magnitude F D. is smaller than H f. as much in proportion as the window B appears smaller than C. • THE VISIBLE THING IS AT NT SET, f.COVERING · LIKE THE SAME (; HOSE VEVE THROUGH VN GLASS AV . J,. 'ON Q.YEL.LE GLASS MÀRQ_VEROIT LADJCTg FIGYRE. 'Thcorefme dixiefme. ; To Fene! L: re by Albert Durer gives the demonftracion of this -:
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POVR PUT IN REFRESHMENT VN
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Q.V ARRE DVQVEL VNG DES ANGLES WILL BE
T0VRNE TOWARDS THE V.EVE.
Ch11pitrt trotfiefme.
Where the square A. B. C. D. the distance poine E. foyent pull the raiz vi {uals from each angle of the quarré which will cuper the curd line to the poines 2. 1._4. 3. liver after making orthography in form that each angle of the quarr. livereeC
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Tv "lliW leué fur the line of ground as it efi in the Ignograph1e fo1ente
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after drawing the live raids, lefqucls will cut the ltg.e ra1Ueaeaux poioérs 5. 6. 7. after it is necessary to make the transport of the shortened lines, as in efié cn {cigne by prec; edentes.
POVR PUT IN RACOV RCISSEMENT VN
(LV ARRE LE Q VEL WILL BE VEY OBLIQ_VEJ \ 1ENT.
Chn, pitre quatriefme.
Goose the square ABCD & the poinéè of E. Join E. & the mocked line LM or as much as the ground line of po1Q.éè d'c Join · "" "" '' "" '". n1enc doibc efire couRours at right angles to the curd line.
what quarrê icy will do obliquely, ca.r _ {i 1adiéte line cut eftoJC pararelle with vn of coftcz udiét quarre, shortening feroic of vne another way as it will monftré Chap. fleeing, therefore.ues to _auoir le racourÇ "ffuantuant flue as the ladiéte cut line is placec, must be cirei · the sharp raiz of the four corners of the Ignography, after must make the Orcography in this way waxed liver the line of rerre PE which will cut the cut line at right angles, nprcs must measure the distance from fadiétc line to the point D. & pofcr the same mcfme difiancc fur the land line of! 'Orthography after must mfurre the other. diftance C. of the line.! cainlée & bring it back again along the ground line & a11; - · fi from the other two angles .BA & when it’s done, you have to polish the sharp raii with a touch of hacker which will cut the mocked line with the poin.5
5. 6. 7. g_ then it is necessary to bring back the heights & widths to make it shorter1 •
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POVR PUT THE QVARRE DICT INTO RACOVR ·
PARARAL SHRINKAGE TO THE CUT LINE.
Chapter & Incquitfme.
Oit I quarré A. B. C. D. of the size of the previous aucc the mocked line L. M. & the poinél: E. du mefmc c0oignemcnt que k precedent & en la mfme fttuacion foie après tirée la
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the curd line OP must draw the earth line GE 9. will cut the line: right line: angles: & that the poinel: E. aulcant liver distrusting from the line: the line contains the poinel: E. of the Ignography after dre! Make the poinél: of height F. & pull the sharp rays, after weak: cs the cranfport of the lines cropped as to be enfeeigné by cy dcuant, 1nais it is necessary to take · width trimmed line of the Ignography as that marked OP &. the shortening will do 1. s. 2. 6. 3. 7. 4. s. which is different from the previous one, yet it must be of length and height, but the cut line at apor: cé c :: fte diuerficé •
POVR PUT IN REFRESHMENT VNE
FIG VRE PLANE DE COSTEZ INESGA VX.
Ch11pitre ftxief me.
-: - Goose figure or (flat surface marked A. B. C. D. E. Ie poinéte '. = Of e0oicrne, nenc F. & liver faiél:!' Orthography as the line of land
li that each angle of ladiél: e figure liver marked fur bdic1e line d_e. ::, _! {the diil: ancc of the cut line as in the prcccdenccs after must tJ • rcr the raiz vifuels & bring back the height of each angle to fa width cotn · me il cil: fur the curd line to make the racour.ûfemcnc.
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POVR PUT VN CIRCLE IN
RAC O V R CISSE 11ENT.

Ch11, pitrt Septiefme.
Outes figures composed of curved lines do not (ecuucnt rc: duire en racourçiffemenc only by means of the right ..: s • 1 caufe that it must be for angles to draw the sharp raiz as for example, is the circle A. which will do two (ê in 111, efguales parcels by circumfcrence & of each angle feron.c
wax the rayz vi (hcls, after that! 'Orthography as a.e
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cfte infringed by the prccedenccs & to make the shortening: it is necessary to pull all the coftes incc occulccs lines then to make the circumference around which fe will iugemcot, because dereglc to drive the li.ocs cour · ebes, there is none but for the f .iirc more f acilles it is necessary to make greater quantity of angles.
VS
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J? OVR 11ETTRE VN CVBE IN RACQVRÇISSEMENT.

Chapter huiélitf m ;.
How to put the foolish bodies in shortening!
faiél: by the 1ndinc handling like flat fuper6cies.
must dreffer fur the Ii.?1e of land of the Orthography costs
lengths of what we want to shorten like exen.plee
{oie the plan or Ignography of cube A, B. C. D, & the po1n.
E. foycnt drawn the raiz vifuels dudiél: poinét ai?
fi that to ell: é infringed by-cy deuant & to make the Oirhograplue
waxed the land line: G! H. {ùr which must pofcr the poines AB & C. V, for the plan didiél: cube & for the eye: uemenc fauc drelfer les Iig, nes AB E, & CDF then pull the sharp raiz of the poinél: from height to sew the angles of the Orchography after the shortening will not do: in cell: how waxed waxed in two lines I: L, & MN fe beliefans, on the right angels must pofer fur MN runs the widths that make the line trimmed from the Ignography, then fur IL all the heights of the trimmed line of the Orthograplùc, then must draw all the lines i: icculces of the plan diélél: cube con1me fi c'efioic vng quarré after must elleuerlcselignes perpendicular to the marked hauccur along the cut line of the Orthogra
fhiç the figure ç-11 will blister the intelligence easy.

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POVR PUT VN CVBE IN RACOVRCIS.
SEMENT DVQ_VEL VN DES ANGLES SER.A
TOYR.NE TOWARDS VEVE.
Cluster node node.
Or I plan or Ignographic tnàtqué A. B. C. D. & the poinét deCToignen1enc l. & pull the ray beams from each angled angle E. then you have to do the Orrographic along the line. of
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the line AE which is the height of the cube, then take the other dill again: femble ances & the pofrz in the line Orcograpl11., & draw the line EB which efl: the diameter of the cube, after laughing the rays of life lines at racour.iffemenc.
POVR PUT VN CVBE IN RACOVRCIS ·
SEMENT VEV OBLIQ_ VEMENT,
Chnp, tre dix1ef me •
....,. E prefcnt racourçiffcment fc will make the raifons flee {uf
diéèes, & com1ne to her confined to the cincquiefme Chap-to put vne fuper thus planèquarrée! shortly careil nyà icy that the height of advantage which fe will do by JcS n1eefinons raûons.
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POVR PUT IN RACOVRCISSEM EN1 'Q ... VATRE STAIRCASES APPLY AGAINST
VN FOOT DEST AJ ,. Q .... VARRE.
Chapter treziefme.
Oit the foot deftal marked A. B. C. D. & liver weak: neck 1 :, 'dc.rez tan rd e lgnog raph ie q ued e l'O rto7ra phie after (oy.t
. pull rayz vi (ùels defdiél: s plans & foif faiél: le racou..d'9 '_ .., _,
ffement en cefte way first must put the peak.
.0 defl: al A B C D shortened! Fen1ent in the way as _a
-. is trapped in the cube, then take the width of the ray
_ fuel L at the poinél: 0 this means the width R O. & auec vJl other con1pas prencsla, height dudiél: ray vifud at the bottom it is R S. Ô 'po (er au racotw1iffen1cntau poinél: V. & after must take the width R p, & add it to the poinéèR X. after must take the height R T. & add it atl poinél: s Perl triangular (ur XV then draw lines 1 L. X v. XI. VL · c'ell: the height of the first degree after you have to take the end, cfmc way, cotis] i: s other degree connene Ic figure le 1nonfire fur que f.-iut efiudier_car il dl: more eager to take fur figure by dikours as much as it is 1. () 1 '! possible to set the cost p; 1r cfcric fans c1nbroullcr le Leéèeur.

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POVR PUT DEVX ARCADES IN RA ·
CROSSING VEVES DE FRONT.e
Chapter fifteen, iefmt.

Where the heights in the Orography of the pilasters are shown to Luke, after fJur laughing at a quarter of a circle c. d. e. f tjqui efi the half circumference of the arc from outside: lec.1u (quarter of a circle must be graduated in several! efgua parts; lc.e
! "n. • .... ,, .. then take the distrust of the first dill.1nce in po1.
d. from the land line & pofer la mc (me dillance a. VZ J. d,
then take h difiance e. of the center line, & the apofcrà at the height QSR T. & do so of the other two after graduating the arc d, behind in the mefn1c form, then must fJire the Ignography pilafires qui foubf! ienent les arcs marquezeB C D. EFG H. then draw two lines pararcllcs d'vn pilafire au charre, '' will make the plan of the arc, & for the gr.iduer cocnme celuy of J'Ortographic far make the last circle A. b. vs. d.e.f g. b. F. & bring back all the dots poinéts fur: eplan of the arc, as they make n1arquez by lecrres, fçauoi r,. .. at. foubs 1epoinét b., & S. T. foubs le poinél-g. , as well as the others, the other last inferic circle It will do so in the same way: I did not mark it with krcres, Mepeuc de confufion after ks plans are made, the shortening will be done first. two pila (hes from the arc of deuanc, then d] eU \ eddfus the first arc: the poineas XA, then the aces & at the same ten.P that the poineas of the angles make 1narquez must draw the straight lines-cs d.Jl angle to the other, the arch behind fe f.ra Cll la mfme maniere.e
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POVR PUT · PL VSIEVRS ARCADES IN
R ACOVRCISSEMENT. . •
Ch11pitrç feizief me.
Vand there are several arches or colomnes or other chofe which extends in great length as for example, if there is at least a number of arch. diftances the other one of twelve feet or more or less to cook the trouble that it is necessary to make the plans whereby it would be necessary to make strong loing for the n1etcre all in their length, height & width,
& even if you wax a large amount of the rays
vifuel., or to abbreviate cecy. you must first mark the keys. co! lcze
.
des p1laftres A B & C D, puis tirer de!foubs la ligne de cerre fur laquelle 1l faut tirer la ligne taillée perpendiculaire E. F. apres afeoir le poinéè de Ion· geur G. lequel fera dleué dcff us la ligne de terre à l'eOcuacion de l'œil, auifi n1arquerez le poinéè ded inant H. autrement poinéè de veûe de pareille dk· uacion, apres foyt nré des poinél:s A B. CD. des rays occultes au poinél: de longeu_r G. & au lieu ou lefdiéès rays couperont la ligne taillée faut faire: des po1néès, puis tirer des premieres poinéts A. B. C D. des rays vifucls ail p_oinéè .e yeue H. & à la hauteur que le ray occulte C: eft marqué [ur laeligne taille-:, puis faut i[ cirer vne paralclle I. L. & en f;ure au cane de 1 autre cofté à M. N. & à la hauteur que le ray occulte B. coupe la ligne cailli:e, faut encores tirer les lignes O. P. Q_ .R., & à la hauteur que le ray oculc. 
A.ecoupe ladiéèe ligne raillée, faut encores cirer les lignes ST V X. de ces quacres quarr.z icy racourçis feront les pl.ns des quatres pren1iers pilallres 
. pour enfaire d autres_ fuyuans, faudra nrcr vne ligne a. H. & faut que la dd.l.ance "· D. foyc co1nn1e B.D., puis faut tirer vneligneoculcede B.e-'· f. laqudle Cc tirera iufqucs à la ligne a. H. & ou ell. coupe ladiéèe ligne aLl po1néè b. fe fera la hauteur que doibc eftre, les troiGcf mes arcades aucremeJ1t Coye tiré du poinéè a. au poinéè P. vne ligne qui ira iuf9ues à la ligne B_. f!. & à la feéèion de ladiéèe liane faut il cirer les lignes de la fiette des cro1ûe· fmes arcades , & faire cout.s le. autres fuyuant la mefme raifone, aprcs en faudra faire l'eOeuacion par,la mefme raifon cncores & pourrez en fairel'e·
cane quil vous plaira derriere1 rvn l'autre. 
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POVR METTRE VN GLOBE EN RACOVR· 
CISSE MENT. 
Chapitre dixnœufiefmt. 
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E prefent Globefautdlre faiéèpremierementen l'Ortogra• phie . & grauer cous les cercles comme au preccdcnr apresnfaut il faire l'fgnographie raporranc cous lefdiél:s cercksfu1,nuâc leur declinaifon en ladiél:e Ignographie con1mt: le ce:clen
A. B. faut prendre la ditlance B. dc la ligne taillée & auù1 la di!lance A deladiéèe ligne caillée & poier lefdiél:cs diftances CD.nde l'fgnographie,fauc cour de n1efmes pofcr cous lesau­
tres cerclcsquicnuironnenr le globe felon con1e il's (on 1narquéc auec lt:tugra· duacions, & cirer par apresle rays vifuels & en faire le racourçi!femcnc. le n'ay pasvoulu v(er icy de renfcignerncnc de cousks,angles par lettres ou ciffrcs,& cc: pou.,rcuiter confufion,feulemcnr l'on pourra remarquer par ceux qui y font cha· cun cercle particulier l'incelligencc de la figure paifée donnera intelligence à cc­
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POVR .lETTRE .,VN PONLEVIS EN RA· 
C O V R C I S S E M E N T. 
Ch11,pitre arotft tout rond, 
Et que lt ,;voille ef}ais d' du poi néè de lumiere que le collé B. ceft à dire que la lumiere frape plus droiél: toncre le cofté A. qu'à celuy B, & à l'autre cube il fc peut encores voir que le poinét de lumiere G frape plus droiéè contre le collé F. qu'à celuy D. apres il faut tirer les rays delumiere du poinét d'hauceur H fur la ligne de térre, lefquels rays donneront furlesde!fus descubesC. &E plus droiéès encoresque aux autres tellement que le cofté C qui ell:plus droiél:& plus pres du poinéè de lumiere fera le plus clair celuy E. & celuy A. fera de la premiereombre celuy D de la fe• conde, & celuy B de la troiuefme, tellement que nous auons icy trois coClez ombresdiffen:mment, lefquds coftezreçoyuenr cous lumiere, ainii l'on pourra vfer en toutes chofes qui reçoyuent lumiere que ce qui cft plus prcs & plus
.roiéè contre Iadiéèe lumierc foyt le plus clair. 
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POVR METTRE DEVX PILLIERS QYI SQV. 
STIENNE'NT VNE TABLETTE EN RACOVR4 
CISSEMENT AVEC LEVRS OMBRES. 
Ch11pitre cincquief me. 
Oycnt faiél:s les plans de l'Orrographie & Ignographie ,& 
que le racourçiffement foyt auffi faiél: tout pres pour y apo• 
frr l'ombre, apres faudra encorcs faire deux fc111blables 
plans aufguels l'on tirera les rays delumicre des poinél:s de 
r,r,..., lun1ierc d'hauteur & de longeur, lefquels rays donneront tous contre la 1nuraille dèrriere les pilliers, apres foyt tiré de chacun angle de ladiél:c muraille des rays vifuds les­quelsferont mis en racourçiffen1ent en la perfpcél:iuc en ceUc forte foyc prins la hauteurdu ray vifüel G. en la ligne taillée cane en l'Orcographie qu'en l'Ignogra­phie lequel fera raporcé au racourçiffemêt au poinél:G. foytapres prins le poinél: 
N en l'Ortographie, & ra porté lediél: poinél: perpendiculaire foubs G. car tout ce qui eft à droiél:. angles fur la ligne de terre rend fon 01nbre perpendicu• Jaire contre vne muraille, apres foyt prins la diftance du ray vifuel M. en l'lgnographie qui fera ra porté à la mefme hauteur de N. au racourçi!fement au poinél: M. foyt apres prins la diftance H. I. qui ell. l'ombre des pilliers concre la 1nuraille & aulîl L M. qui eft l'ombre de l'autre pillier , le{quels ombres faut cirer en bas iufques contre terre, & les tirer apres des poinél:s qu'ils atouchenc la cerre iufques· aux diél:s pilliers, ainfi. aurez l'ombre des deux pilliers & de la cablecce, & ceftc demonftracion feruira pour aprendreà rendre I'on1bre aux colomncs ayant leur architraues frifes & corniches, 
comme fera de1nonftré par cy apres. •
POVR 
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POVR METTRE VN CVBE SVR VNE TA­
J3LETT E EN RACOVR CIS SE11ENT AVEC L'O MBR.E 
TANT DY CVSE Q._VE DE LA TABLETTE. 
Chapitre ftxief me. 
Aut faire le plan du cube fur la tablette dans vne cham­bre ( à cellé fin de demonflrer con1rne les ombres fe do1b­
. uent faire contre les murailles d·vne chambre ) & quand
le cout fera 1nis en racourçiffen1cnt. Soye pofé les poinél:s 
de lumiere en I'Ignographie & Ortographie A & B apres 
foycnt tirés les rays de lumiere premiercn1enr en !'Orto· 
graphie des angles du cube & de la tablette ain.li l'angle du cube C donnera contre la muraille au poinfr 3. & l':111gle 1narq..1é D donnera au poinér 4. l'angle marque E. donnera au poinér occulte 5. der­riere le cube, faut raporter tous lefdiérs poinérs att racourçiffe111enc & Oil le ray de lu1uiere coupe la tablette au poinér G il faut cirer vn ray vifud & ie i-aporter au racourçi -· 
& 01dinerncat des 111,irailles ou font reprefcntées des cabkso, pauemencs & a.rcres chofes fon1bl,1blcs qui fe doibucnt voir p:lr le de/fus & do1bucnr dheoau det1oubs de l'o,ilon neau1noints la plus parc defdiltcspcincuresfônt1:De•ué.s {i hauc que lefdiéres tables & pauc1nencs font au deOus d..: l'ori2011 ce ()Ui
cil: contraire à la n1cure & 1ncfrnen1cntl'on y voirra à aucuhs de., an,.es ou fi. hautesdkuées en l'air qui fonc faiéèes co1nn1e cy c'efroyc poL. les voir
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de haac e11bas, c'dl: pourquoy fi l'on defirc d',1com1nod,r aucunes peintures fdon le poinél: di! yeti; il fauc neceifairement que ladiéèc peinture foyc aunî bas (1ue le niueau de la rcrreoou de la chambre ou elle doibt eflre & f1ire le poinél:de veue iu(h:menrdc la hauteur de l'œil viron cin. picJs & derny ou fix pieds & cirer roncesleslignesfdon les reigles de la perlpeétiue audiéè po1néè comn1e ie donneray 1cy vne exeniple Soyr vne 1uuraillc d'vne chan1bre lon.e de 22 .pieds& haute: de 1 4. contre laqu:Ile ie delire peindre v.e continuac.on de ladiél:e c..,hambrc auec quelques figures dedans, premieremcn t faut faire les pl ans de la, d1éè, chambre& de toue ce guc l'on ddiœ qui {oyc dedans & en faire le racour· c1 11emenc {uyuanr co1nme il fe peut voir aux figures de{diéès plans ou i'ay 111is :1cux fi lëquel fe monftre beaucoup mieux que le.precede11_çs:ainfifaulc il '11and l·o!1veut mettre quelque cho,, 
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fe en racourc1ffement., mettre le point d eilongn.ent de telle façon qut l'oll puiife voir &defcouurirle plus que l'on pourra des chofes que l'on defirerv prefenter: & faut fe garder de mettre ledit point trop pres,& aufsi trop de cofré, d·aulcant ( comme i·ay dit) que le racourciffement s'en monftreroit 
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