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)
UBER. SECVNDVS.' 1XX fando puti diuHl,<jubfifc circularem contingit. In hunc modum collectis pun&is unius horarie duci etiam potefl eiufdem Conica, Detur N 4
Sundials -- Early works to 1800
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