Brunsviga twin calculating machine, model D13Z, (1

Made:: 1935-1939 in Braunschweig

maker:: Grimme Natalis and Co

Brunsviga twin calculating machine, model D13Z, (13 register) by Grimme, Natalis and Company, on wooden base with metal cover, Serial No.208021. Consisting of a pair of 10 digit calculators coupled together. Presnted to the National Institute of Oceanography by Dr J.N.Carruthers.

Details

Category:: Mathematics

Object Number:: 1985-1911

Materials:: brass, complete, plastic, steel

type:: calculating machine (pinwheel)

credit:: Sotheby's (Billingshurst)

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