Improved form of mechanical counter, late 19th century.

Made:
late 19th century in Leeds

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

Harding's improved counter by Harding, Richardson, Rhodes and Co. Ltd., Leeds. Revolution counters were devised to keep a record of the operation of machinery.

Details

Category:
Mathematics
Object Number:
1986-628
Materials:
glass, metal (unknown), plastic (unidentified) and steel (metal)
type:
revolution counter
credit:
Mr R. Whitworth