Bakelite "Celercertus" rotary slide rule (Brit patent no.413451)

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Bakelite "Celercertus" rotary slide rule (Brit patent no.413451)
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Bakelite "Celercertus" rotary slide rule (Brit patent no.413451)

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Category:: Mathematics

Object Number:: 1937-50

type:: circular slide rule

credit:: V. Marten-Gwilliam.

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Bakelite "Celercertus" rotary slide rule (Brit patent no.413451)

Details

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