The book “Architectura Recreationis”, written by Joseph Furttenbach, has one main column and occasionally side notes in smaller letters. It is written in a gothic font, while he usually differs three sizes: The biggest one for headings, a smaller one for the main content and the smallest typeface for the mentioned side notes. The text fills the biggest part of the page, while there is always space left for the current chapter and a note in which part of the book you are. Like that it is easier for the reader to orientate and to find as quickly as possible what he was looking for. Pages are Numbered (top left and right corner), too.
Architectural drawings in a perspective view and floorplans accompany the text, although the written parts surpass the images by far. Usually the images are between the chapters, mostly on a double page without text, sometimes even on a foldout for larger prints.
The images are numbered and assumable the drawer of the image is mentioned on the bottom. He refers to the images by mentioning it by the number. All of them are printed with a heading written in an ornamental type. Furttenbach even mentions them by number and detailed description in the table of contents.
Compared to the text, the images contribute a minor part to the book, although considered as quite important (big prints and pages only for images, very detailed drawings). One page is usually left empty if a image is printed, also one afterwards.
Because of its size, I would not call it a handbook, although it is organised as one. The table of content makes it easy to navigate through the book and each page is clearly marked. The book contains several floorplans and garden perspectives, so it is possible to be a book for refences, too.