intertm pereore obambulaturus , nullum jbrtr fecum fert in» flrumenrum aflronomicum , deeflpraterea ffeculum , & ob remotio » rem adifcq (cuius altitudinem inuefligare cupit )ab aqua diftantia, quominus aut in flr umento dflronomico, Jpeculo aut aqua (ut antcdiflii eft ) menfurationem perficere… … tem virgacad altitudinem rei me n furanda a. c. Multiplicetur ergo diftantia b. c. ab oculo fcdicet adbafim rei menftranda, per altitudinem virga d. e.produflum dtuida* turper diflantiam ab oculo men foris ad ba^jm virga, quod exierit erit alitudo rei menfuranda ab. Exempli gratia ft di flantia b.c…
Surveying · Geometry · Astronomy
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
![An illustration from Horoscopion Apiani generale dignoscendis horis cuiuscumque generis aptissimum ... nunc ab illo primum [et] inuentum [et] æditum . (1533)](https://img.insideoutlibrary.com/img/200/ia-horoscopionapian00apia-38-0.webp)
