Improved form of mechanical counter, late 19th century.
- Made:
- late 19th century in Leeds
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Science Museum Group Collection
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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:
- steel (metal), plastic (unidentified), glass and metal (unknown)
- Measurements:
-
overall: 30 mm x 100 mm x 55 mm, 55 mm, 0.24 kg
- type:
- revolution counter
- credit:
- Mr R. Whitworth
