Gnomonice Andreae Schoneri Noribergensis, hoc est, De descriptionibvs horologiorvm sciotericorvm omnis generis, proiectionibus circulorum sphaericorum ad superficies, cum planas, tum conuexas concauasq[ue], sphaericas, cylindricas, ac conicas, item delineationibus quadrantum, annulorum, &c. libri tres (1562)
XLIX UBER SECVNDVS. Hi* ita depiflis ad quadrangulum B A B D C D uemendum dt , 8c In id modo , ut de priore diflumeft.ipfx cylindricae omnes transferen¬ dae funt.Latera enim B A B & D C D ad diametrum columna: A B fun … ratione tripla fuperpartiente feptimas.qua* diuidantur in uiginti quatuor parces aequales, duflis per diuifionum punfla ipfis D B lineis aequabilia bus.inhis ab B A B refla numerentur indebitis xquabilibus fefliones cp lindricarum cum aequabilibus quadranguli A B C D dicantibus ab A B, Cum furfum…
Sundials -- Early works to 1800
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
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