


Optometer

Optometer, objective or subjective
1831-1900

Optometer, objective or subjective
1831-1900

Optometer, English(?), 1851-1930
1851-1930

Optometer, objective or subjective
1831-1900

Optometer

Optometer

Optometer

Optometer, objective or subjective
1801-1900

Optometer, objective or subjective
1831-900

Optometer, objective or subjective
1851-1930

Optometer, F.D.A' 5
1831-1900