Calliper by Helios, used for measuring radiographs

Made:
1970-1979
Collection of anthropometric instruments used by Professor James Tanner, Institute of Child Health, University of

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Collection of anthropometric instruments used by Professor James Tanner, Institute of Child Health, University of
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Calliper by Helios, used for measuring radiographs, 1970-1979.

Details

Category:
Psychology, Psychiatry & Anthropometry
Object Number:
1996-392/19/2
Materials:
brass (copper, zinc alloy), glass, metal (unknown) and steel (metal)
Measurements:
overall (case closed): 27 mm x 336 mm x 58 mm, 0.77 kg
overall (case open): 144 mm x 336 mm x 227 mm,
type:
calliper
credit:
Institute of Child Health