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 … Nunc tandem poftremum genus tractandum fufcipiemus. Lineae de* clinationis defcr/pta aequabili B C,ex A puncto fufcitetur ei normalis DE ac cx eo defcribatur circumferentia,»! qua diuifa in 3<So.partes xquales nu meretur inclinationis plani complementu a D uerfus C,fi in primam quar tam inciderit,…
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 51](https://img.insideoutlibrary.com/img/1024/ia-gri_33125009484227-51-0.webp)
![An illustration from Georgii Agricolae De re metallica : libri XII. Quibus officia, instrumenta, machinae, ac omnia deni[que] ad metallicam spectantia, non modo luculentissimè describuntur, sed & per effigies, suis locis infertas, adiunctis latinis, germanicis [que] appellationibus ita ob oculos ponuntur, ut clarius tradi non possint. ; Eiusdem De animantibus subterraneis liber, (1556)](https://img.insideoutlibrary.com/img/200/ia-gri_000033125008455038-120-70.webp)
![An illustration from Arte gnomonica [manuscript] (1700)](https://img.insideoutlibrary.com/img/200/ia-Artegnomonica00Colo-17-0.webp)