Analysis of the trains with reference to cycles and verticals. Right group. Sheet 1 of 3.
This notation includes a related duplicate, with notes indicating that this duplicate was copied and collated, dated 20 December 1845. It was numbered as 358 Sheet 1 by Babbage and 358/1[a] by Bromley.
Details
- Extent:
-
two sheets
- Identifier:
- BAB/F/358/1
- Access:
- Open Access
- copyright:
-
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