Combined optical square & hand level, British, 1920-1926
- maker:
- E. R. Watts & Son
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Combined optical square and hand level, by E. R. Watts & Son, London, England, 1920-1926, patented 1920.
Details
- Category:
- Surveying
- Object Number:
- 1939-222
- Materials:
- brass (copper, zinc alloy), cardboard, felt, leatherette, steel (metal) and textile
- type:
- plummet level
- taxonomy:
-
- furnishing and equipment
- measuring device - instrument
- level
- furnishing and equipment
- tools & equipment
- surveying instrument
- credit:
- E. R. Watts & Son
