Science: a pair of blow-pipes (above), and a calculating engine (below). Wood engraving, 1841.
- 30 October 1841
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London (11 Paternoster Row) : W. Brittain, 30 October 1841.
1 print : wood engraving
Sharpin's and Tilley's blow-pipes. Moseley's calculating machine.
Wellcome Library no. 46073i