Object class: Data processing equipment / Collection place: Northern China - Hearst Museum Portal Search Results

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1. Abacus rules

Museum number:: 9-21432a-d
Culture or time period:: Chinese
Object class:: Abacuses (calculators)
Function:: 7.1 Writing and Records (including religious texts)
Dimensions:: width 13.5 centimeters and length 20.5 centimeters
Collector:: Ilse Martin Fang
Collection place:: Beijing, Beijing municipality, Northern China
Collection date:: 1941