


Carpenter's sliding joint-rule by I Trafford, Oxford, England, dated 1772. Marked with possible owner, George Barnet, Grindon.
Details
- Category:
- Mathematics
- Object Number:
- 1973-181
- Measurements:
-
overall (closed): 7 mm x 235 mm x 38 mm, 0.124 kg
overall (open): 7 mm x 406 mm x 17 mm, 0.124 kg
- type:
- folding rule
- taxonomy:
-
- furnishing and equipment
- measuring device - instrument
- ruler - measuring device
- furnishing and equipment
- measuring device - instrument
- ruler - measuring device
- credit:
- Mr. John George.