Patent telemeter, British, 1910-1920

Made:
1910-1920 in Strand
maker:
J H Steward Limited
Two parts of The Steward patent telemeter No.311, by J. H

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Two parts of The Steward patent telemeter No.311, by J. H
Science Museum Group
© The Board of Trustees of the Science Museum

Two parts of The Steward patent telemeter No.311, by J. H. Steward Limited, London, England, 1910-1920

Details

Category:
Surveying
Object Number:
1986-580
Materials:
steel (metal), brass (copper, zinc alloy), iron and glass
Measurements:
overall: .255kg
type:
telemeter
credit:
Steward, D.M.