Verticals of the counting apparatus barrel number 2. Sheet 9 of 9.
- Babbage, Charles
This notation includes an accompanying draft, in pencil, with a note 'copied', numbered F.291/9[a] and a loose enclosure described as 'Notation 291 No 2', numbered F.291/9 by Bromley, dimensions 9 cm x 48 cm.
Two sheets and one loose enclosure
- Large Format Document