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LicenseGraduated scale, one three, for levelling staves by E.R
Science Museum Group
© The Board of Trustees of the Science Museum
Graduated scale, one three, for levelling staves by E.R. Watts and Son, London, England, 1920-1922
Details
- Category:
- Surveying
- Object Number:
- 1922-446 Pt1
- Materials:
- steel (metal) and paint
- Measurements:
-
overall: 2 mm x 489 mm x 20 mm, .155kg
- type:
- levelling staff
- credit:
- The Rank Group Plc
