1591 – 1634
1 entries in the GMN corpus.
1 entry with mapped publication places. Click clusters to zoom in; dense clusters offer table or cards view when fully expanded.
1623 CE
#5821
The earliest scientific work dealing with spectacles. It includes sight testing tables and points out the value of convex lenses after cataract operations. Digital facsimile from the Internet Archive at this link. Eng…