Recessed ring with sliding collar

Made:
1851-1900 in France
maker:
Unknown
Recessed ring with sliding collar

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Recessed ring with sliding collar
Science Museum Group
© The Board of Trustees of the Science Museum

Recessed ring with sliding collar, lacquered a startling orange colour, French, 1850-1900

Details

Category:
Microscopy (Wellcome)
Collection:
Sir Henry Wellcome's Museum Collection
Object Number:
A637836
Materials:
brass and lacquer, orange
Measurements:
ring: diameter 92 mm
overall: width 136 mm
type:
microscope parts