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LicenseS. Johnson's Patent Measurement Indicator', by R. & J
Science Museum Group
© The Board of Trustees of the Science Museum
S. Johnson's "Patent Measurement Indicator", by R. & J. Beck, 1870-1894
Details
- Category:
- Surveying
- Collection:
- Sir Henry Wellcome's Museum Collection
- Object Number:
- 1979-250
- credit:
- On loan from the Wellcome Trust
