US Patent: 318,981
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| Tuning Hammer
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Patentee:
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| Andrew W. Green (exact or similar names) - Peoria, IL |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Oct. 03, 1883 |
| Granted: |
Jun. 02, 1885 |
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Patent Pictures:
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Andrew W. Green patent June 2, 1885 |
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Stan Schulz
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Description: |
| Tuning hammers are specialized socket wrenches for tuning pegs on pianos. This one has an adjustable socket -- one side of the socket has a piece moved in or out by set screws.
The sockets are called wrenches in the specifications. |
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