Bouchet adding machine, (top of figure 6 missing),

Made:
1885-1895

Bouchet adding machine, (top of figure 6 missing), engraved "Bouchet's patent, issued Jan 3 1882 re-issued 9 Mar, 1885 no.452"

Details

Category:
Mathematics
Object Number:
1930-488
Materials:
brass (copper, zinc alloy), ivory, mahogany (wood), silver (metal)
type:
adding machine (bouchet)
credit:
H.M. Stationery Office
status:
Permanent collection

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