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License15 Pratt and Whitney precision hand level in a wooden box.'
Science Museum Group
© The Board of Trustees of the Science Museum
15" Pratt and Whitney precision hand level in a wooden box.
Details
- Category:
- Industrial Metrology
- Object Number:
- 1923-555
- Materials:
- steel, glass
- type:
- calibrated level
- credit:
- Buck and Hickman Limited
