Verticals for counting barrel for multiplication. Notation 268. Sheet 1 of 4.
- Made:
- 1844-03-29
- maker:
- Babbage, Charles
Dimensions of sheet folded out 54 cm x 66 cm.
Details
- Extent:
-
one sheet
- Identifier:
- BAB/F/289/1
- Access:
- Open Access
- copyright: