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 SECVNDrS. • XL1JI1 'cuius dimetiens fit{ unum ex lateribus { <*, quod producatur ufqjin a , a ^ufcp in « numerata quantitate redae bg’. In hoc horarias lineas defignabiraus.ut prius in cylindro , dato axe extra conuexurn eiuldem.
Sundials -- Early works to 1800
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
![An illustration from 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, leaf 102](https://img.insideoutlibrary.com/img/1024/ia-gri_33125009484227-102-0.webp)
