linear measure standard

Made:
1745-1776 in London
maker:
Bird, John

Birds scale, engraved J. Bird, London. 27" long, divided in inches and tenths, reads by vernier to 1/1000 in, scale numbered to read from 25 to 50. Fine adjustment to slide.

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Science Museum: Making the Modern World Gallery

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Details

Category:
Weighing & Measuring
Object Number:
1900-169 Pt1
Materials:
brass, mahogany, complete
type:
linear measure standard
credit:
Dr.W.T. Radford
status:
Permanent collection

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