Routledge engineer's folding slide rule by J.Tree
- maker:
- James Tree
Routledge engineer's folding slide rule by J.Tree, London, 12" x 1 3/4", c. 1850
Details
- Category:
- Mathematics
- Object Number:
- 1954-310
- type:
- slide rule (engineer) and slide rule (routledge)
- credit:
- National Maritime Museum (Gabb Collection)