Verticals upon four barrels for algebraic addition of i k figures. Notation 321. Sheet 1 of 2.
- Made:
- 1845-09-05
- maker:
- Babbage, Charles
This notation includes an accompanying draft, dated 18 January 1845, with the notes 'copied' and 'duplicate' on the front page, numbered 323 Sheet 1 by Babbage and F.323/1[a] by Bromley.
Details
- Extent:
-
two sheets
- Identifier:
- BAB/F/323/1
- Access:
- Open Access
- copyright: