Course and speed calculator Mk IIA. HTA(1928) Ltd

Made:: 1928

maker:: Hall Telephone Accessories Ltd.

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Course and speed calculator Mk IIA
Science Museum Group
© The Board of Trustees of the Science Museum

Course and speed calculator Mk IIA. HTA(1928) Ltd, AM 6B/125 in fitted wooden case

Details

Category:: Navigation

Object Number:: 1994-1178

type:: calculators

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Course and speed calculator Mk IIA. HTA(1928) Ltd

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