Ophthalmology
1870-1910
Liebreich's ophthalmoscope, metal disc, ivory handle, clear lens attached, in small leather case, Germany, 1870-1910
1701-1800
Magnifying glass, brass mounted, probably English, 1701-1800
1870-1930
Set of trial lenses, seven pairs, one pair missing, circular lenses, horn frames, casing, probably English, 1870-1930
1880-1920
Pocket retinoscope, steel disc in folding leather case, five lenses and ivory rod included, made by Collins' and Co., Paris, 1880-1920