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 82
midiametrum circulfquem deferibit bafis, per fe, 5C productum aufer a nu* mero prius feruato,refiduiqj numeri quadratam extrahe radicem. Nam ea erit uera pyramidis altitudo. Rurfum duc aream in altitudinem,&T tertia pars erit craflitudo coni fiuerotundx pyramidis. Porro fi conoidauolueris habere… … (fti ^42 | tertia pars, nempe 314 7 oltendet pyramidis rotundae craflitiem. Sirurfus uolucris habere conoidamfuperficiem,ducla* tus a b fcilicet 13.111 dimidium circumferentiae bafis (eft autem circumferetia 31 |r cuius medium 15 £)& habebis propoli tum, nempe ^o^.Qubdfirhom* bum folidum habere…
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 Divina proportione : opera a tutti glingegni perspicaci e curiosi necessaria oue ciascun studioso di philosophia: prospettiua pictura sculptura: architectura: musica: e altre mathematice: suavissima: sotile: e admirabile doctrina consequira: e delecterassi: co[n] varie questione de secretissima scientia (1509)](https://img.insideoutlibrary.com/img/200/ia-divinaproportion00paci-103-240.webp)
![An illustration from Philippi Lansbergii Triangvlorvm geometriae libri qvatvor : in quibus novâ & perspicuâ methodo, & apodeixei [romanized], tota ipsorum triangulorum doctrina explicatur .. (1631)](https://img.insideoutlibrary.com/img/200/ia-philippilansberg00lans_1-133-0.webp)
