Rvdimenta mathematica : haec in duos digeruntur libros, quorum prior geometriae tradit principia seu prima elementa, unà cum rerum & uariarum figurarũ dimensionibus : posterior uerò omnigenum horologiorum docet delineationes (1551)
Münster, Sebastian, 1489-1552 · Basileae : In Officina Henrichi Petri · leaf 218
De horologiorum dcfcri- Z 09 Quadrans adeleuationem aequatoris 40, grad* … Dcfcriptio qtuidmtiSiin quo hort cequxles per rcftxs linea deprehenduntur* Cxput XLVilL - " , • • 1 « ^ - • i ■ • i ^ ' ; . . . , • ; • : > . n \ ; r* " * t -1. • v ; DEfcribe quadrantem a b c una cum arcu d e qui parallelus fit arcui b c* Arcum d e diftribuefolito morem nonaginta gradus.Relins…
Geometry -- Early works to 1800 · Horology -- Early works to 1800 · Sundials -- Early works to 1800
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
![An illustration from Hierinn sind begriffen vier Bucher von menschlicher Proportion durch Albrechten Durer von Nurerberg [sic.] erfunden und beschuben zu nutz allen denen so zu diser kunst lieb tragen (1528)](https://img.insideoutlibrary.com/img/200/ia-hierinnsindbegri00dure-193-215.webp)
![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)](https://img.insideoutlibrary.com/img/200/ia-gri_33125009484227-176-0.webp)
