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LicenseHenderson rapid traverser (surveying alidade) in case, by J. T
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Henderson rapid traverser (surveying alidade) in case, by J. T. Letcher, Truro, Cornwall, England, 1893.
Details
- Category:
- Surveying
- Object Number:
- 1946-201
- Materials:
- mahogany (wood), brass (copper, zinc alloy), glass, alcohol, paper (fibre product), steel (metal) and felt
- Measurements:
-
overall: 118 mm x 309 mm x 302 mm, 6.115kg
- type:
- alidade - surveying
- credit:
- Imperial College of Science & Technology
