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Slide rule for cubing and girthing
- inventor:
- E A P Burt
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Slide rule for cubing and girthing, J. Tree and Co., 36" long made to 1887 patent.
Details
- Category:
- Industrial Metrology
- Object Number:
- 1921-161
- Materials:
- boxwood
- Measurements:
-
.1575 x 37.0079 x 2.5591 in.; .4 x 94 x 6.5 cm
- type:
- slide rule
- credit:
- Loveland, A.E.