8,0 DELL’ALTEZZA toui la b c, cioè , l e, barrai tutta l’altezza a b c, che cerchi di fapere . … Per farne la demoftratione intendi i due trian goli a f b, 8c g f h, gli angoli a b f, e g h f fono ugua li fra loro, perche ognuno è retto ,ì1ghf perche dal prefùppofito noftro la g h è perpendicolare Co- pra la b f, et lo a b f perche è l’eftrinfico delle due pa rallelle bf,&ce,& oppofito al c ,…
Surveying · Measurement
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
![An illustration from A critical examination of those two paintings on the cieling [sic] of the banqueting-house at Whitehall : in which architecture is introduced, so far as relates to the perspective : together with the discussion of a question, which has been the subject of debate among painters : written many years since, but now first published (1754)](https://img.insideoutlibrary.com/img/200/ia-criticalexaminat00high-33-5.webp)
