Trial case

Made:
1901-1970 in London
maker:
S Maw, Son & Sons
Trial case, wooden, containing 72 trial lenses and trial frame

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Trial case, wooden, containing 72 trial lenses and trial frame
Science Museum Group
The Board of Trustees of the Science Museum

Trial case, wooden, containing 72 trial lenses and trial frame, by S. Maw Son and Sons, 7-12 Aldersgate Street, London, England, 1901-1970.

Parts

Stenopaic slit

Stenopaic slit

Stenopaic slit, brass, 38mm diameter used for high astigmatism or irregular refraction

Materials:
brass (painted)
Object Number:
A606424 Pt7
type:
trial lenses