Historyworker
Member
- Joined
- Sep 11, 2023
- Messages
- 22
That's a step forward guys, thank you.
Those are a type of woodworking clamp, but unfortunately that is all I remember about them. After I went through some additional threads, it finally came to me that I had seen those used as miter clamps and confirmed it by searching for that term.
You're welcome.That's a step forward guys, thank you.

Duplex aliquot adjusting LOL.I think it is a piano tuning tool (called a hammer). Yours appears to have 8 point socket ends for the square tuning pins.
Check out this site.
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Antique and Vintage Piano Tools II - Martin Shepherd Antique Piano Tools
ONLINE MUSEUM OF ANTIQUE PIANO TOOLS My interest in antique tools goes back to the late 1970s in Boston, even before my first commercial piano servicing work. In 1978, I took a risky hitchhiking trip from Boston tomshepherdpiano.com
This image is taken from there.
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Thank you! What would it be worthDuplex aliquot adjusting LOL.
No idea. Good luck bro.Thank you! What would it be worth
You now know what it is - go look up sole listings on Eprey.Thank you! What would it be worth