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Boxwood four inch rule
- Made:
- 1900-1920 in Birmingham
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Boxwood 4-inch rule by I & D Smallwood, Birmingham with inch scale and calliper with vernier scale at one end, by I. & D. Smallwood, Birmingham, 1900-20.
Details
- Category:
- Weighing & Measuring
- Object Number:
- 1999-952
- Measurements:
-
overall: 5 x 113 x 29 mm
- type:
- calliper rule
- credit:
- I and D Smallwood Limited