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)
GNOMONICES , «ibus ipfi B C,perfe<fiionum puntfla , ubi aequabile* {ecabutrtjdueatur o«* iualis horae fextae i Idem dabunt etiam circularis ex Apro ratione femi- diametri A Fuel A G defcriptae,ac in 24* parte* aequales diuifae,pcr tiufdan
Sundials -- Early works to 1800
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
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