Bellows' cylindrical wages calculator with box

Made:: circa 1870 in Gloucester

maker:: John Thomas Bellows

Bellows' cylindrical wages calculator with box

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This image is released under a CC BY-NC-SA 4.0 Licence

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License this image for commercial use at Science and Society Picture Library

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This image is released under a CC BY-NC-SA 4.0 Licence

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Science Museum Group Collection
© The Board of Trustees of the Science Museum

Bellows' cylindrical wages calculator with box, c.1870. For each particular weekly rate in shillings, the rate of pay for any number of hours or days can be calculated.

Details

Category:: Mathematics

Object Number:: 2005-108

Materials:: paper (fibre product) and wood (unidentified)

Measurements:: Overall: 300 mm x 995 mm x 245 mm, 8.08 kg

type:: wages calculator

credit:: Warbiton, Christopher; Newman, Patricia

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Bellows' cylindrical wages calculator

Bellows' cylindrical wages calculator, c.1870. For each particular weekly rate in shillings, the rate of pay for any number of hours or days can be calculated.