1834 – 1908
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.
1862
#5890
Snellen’s test-types (“Optotypi”) which soon gained acceptance in all civilized countries. Digital facsimile from Google Books at this link.
Garrison-Morton-Norman
1 entry · Printed September 1, 2026
1862 SNELLEN, Hermann (1834 – 1908)
Probebuchstaben zur Bestimmung der Sehschärfe.
GMN 5890 · https://historyofmedicine.com/id/7357