i., Quodil Ignis confultb adiit lucidior, 8c fpeculum grande D. non mere planum, fed aliqualiter concavum*, huicqueopponaturfimiie aliud*, 8c ei iterum aliud * & fic confequenter :: fed femper in diftantia minori*, & denique vere concavum quod; rivos Luminis ex omnibus acceptos, tandem ad manum… … A, FocusPrunarum; B. C. & E. Speculum Concavum, 1.1.1. Radii Redi. 2.2.2, Radius Reflexus primus. 3. Secundus, D. Spe.
Medicine · Science
Internet Archive · Wellcome Library · Public domain (published before 1931). Free to use for anything.
![An illustration from Essai de physique, par Mr. Pierre van Musschenbroek ... avec une description de nouvelles sortes de machines pneumatiques, et un recueil d'expériences par Mr. J. v[an] M[usschenbroek] Traduit du hollandois par Mr. Pierre Massuet .. (1751)](https://img.insideoutlibrary.com/img/200/ia-essaidephysiquep02muss-131-37.webp)
![An illustration from A Dictionary of science, literature, and art [electronic resource]: comprising the history, description, and scientific principles of every branch of human knowledge; with the derivation and definition of all the terms in general use (1844)](https://img.insideoutlibrary.com/img/200/ia-62523189.5956.emory.edu-1318-378.webp)
![An illustration from Vnderweysung der Messung : mit dem Zirkel vn[d] Richtscheyt in Linien, Ebnen vnnd gantzen Corporen (1525)](https://img.insideoutlibrary.com/img/200/ia-vnderweysungderm00drer-52-94.webp)
