Revolution Counter
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Revolution Counter
This is an old counter, similar to inv. 1868-211, but it has the driving spindle enclosed in a long wooden arm (apparently a later addition), at the outer end of which the worm and worm-wheel are arranged. The worm spindle terminates in a knuckle joint that has been driven by a rotating wire.
Details
- Category:
- Motive Power
- Object Number:
- 1868-212
- type:
- counters
- credit:
- Institution of Civil Engineers
