Wall chart printed on one side with pattern of radiating lines for assessing astigmatism

Made:
1880-1940

Wall chart printed on one side with pattern of radiating lines for assessing astigmatism, printed by Cowan and Sons, English, 1880-1940

Details

Category:
Ophthalmology
Collection:
Sir Henry Wellcome's Museum Collection
Object Number:
A625232
Materials:
paper and cloth
Measurements:
width 502 mm
height 349 mm
thickness 3 mm
type:
astigmatic fan charts

Related Objects

Spectacles with frames.

Spectacles with frames
spectacles with frames

spectacles with frames
Pince-nez, c. 1900.

Pince-nez, c. 1900.
Corneal Lens in white plastic holder, made for experimental purposes in about 1948 in Johannesburg by a german mechanic. Larger than micro lenses.

corneal lens
Oval-lens, gold-framed spectacles in case, c. 1930.

Oval-lens, gold-framed spectacles in case

Pince-nez with bar spring