Rhabdological abacus

Rhabdological abacus, in case. Invented by H. Goodwyn, 1822

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Rhabdological abacus, in case. Invented by H. Goodwyn, 1822
Science Museum Group
© The Board of Trustees of the Science Museum

Rhabdological abacus, in case. Invented by H. Goodwyn, 1822. With manuscript description by Olinthus Gregory (RAS No.89). Presented to the Royal Astronomical Society in 1824 by Goodwyn family.

Details

Category:
Mathematics
Object Number:
1931-341
type:
abacus
credit:
Royal Astronomical Society