Possible drawing instrument

Made:
1801-1900
Unidentified, steel, 19th century

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Unidentified, steel, 19th century
Science Museum Group
© The Board of Trustees of the Science Museum

Possible drawing instrument, steel and brass, unsigned, 1801-1900

Details

Category:
Wellcome (general)
Collection:
Sir Henry Wellcome's Museum Collection
Object Number:
A657600
Materials:
complete, steel (metal) and brass (copper, zinc alloy)
Measurements:
overall (lying flat) estimated: height = 8 mm x length = 54 mm x depth = 10 mm,
type:
instrument