Hines' 'Patent Weight and Quantity Calculator', c.1908.

Made:
c.1908

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Mechanical ready reckoner patented by James Hines. This form of calculator gave costs of various quantities of goods at
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Mechanical ready reckoner patented by J. Hine, 1905

Mechanical ready reckoner patented by Patented by James Hines. This form of calculator gave costs of various quantities of goods at various prices per pound, hundredweight or ton. The quantity was set by turning the apropriate wheel at the side, and the price per unit by using the keys. The cost would then show in the apropriate window.

Details

Category:
Mathematics
Object Number:
1982-748
Materials:
brass (copper, zinc alloy), ebony, glass, metal (unknown), paper (fibre product), wood (unidentified)
type:
ready reckoner ready reckoner
credit:
Delehar Antiques
status:
Permanent collection

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