De Solis deliquii dimensione alia
Title: De radio astronomica & geometrico liber: in quo multa quae ad geographiõa, opticam, geometriam & astronomiam utilis sunt demonstrantur
Author: Frisius Rainer Gemma
Date: 1545
Type: bookSection
Pages: 31-33
Place: Antwerpen
Download: https://content.mpiwg-berlin.mpg.de/mpiwg/online/permanent/vision/pdf/Gemma_CO_1545.pdf