Task 2
A Physical Copy of the book is available in the ETH library Zürich, HDB.
Höngerbergring 37
8093 Zürich
Sites where the book is currently available as an online Document:
e-rara: https://www.e-rara.ch/zut/doi/10.3931/e-rara-366
Google books: https://books.google.ch/books/about/Cours_d_architecture_ou_Trait%C3%A9_de_la_d.html?id=O_YTAAAAQAAJ&redir_esc=y
Google play: https://play.google.com/store/books/details/Jacques_Fran%C3%A7ois_Blondel_Cours_D_Architecture_ou_T?id=eVVdAAAAcAAJ