Mike'smeatshop
Well-known member
- Joined
- Apr 1, 2023
- Messages
- 1,273
Thanks I would of been lost without this information or until I come across it. Heck you need a degree just using the ratchet.Looks like this may be your patent
US Patent: 1,371,350 - Wrench
US patent 1,371,350 Wrench was issued to Solomon A. Campbell of Newton, Middlesex County, MA. It was granted on 03/15/1921. The patent claims the structure of the head with passage for sliding handle, and the ratchet structure. Other features shown in the drawings and descrdatamp.org
More on the topic may be here.
c. 1920's Allen "Bay State" Set No. 19
The “Allen” in this Allen "Bay State" Set No. 19… …is Allen Manufacturing in Hartford, Conn., the company most famous for its eponymous hex keys or “Allen wrenches” used in conjunction with set or safety screws, patented (960,244) by W.G. Allen in 1910. The "Bay State" in the name is the...www.garagejournal.com
Thanks. The socket does not match the set so you solved that question.The socket in the third photo (PWA 1075-8) is part of a valve adjusting tool for Pratt & Whitney aircraft engines. It was common during WWII, and many of these tools are offered on Ebay under the -1075 and -23354 part numbers. The socket is detachable from the handle of the tool, which contains a straight screwdriver bit to adjust the valve lash, while the socket is used to tighten the lock nut.
I will bet I have more than 1921.1921 is a lot of sockets to have
It seems my eyes are a little wrong. I am glad I didn't bet. More like 192 sockets. My bad.I will bet I have more than 1921.
Here is mine.The socket in the third photo (PWA 1075-8) is part of a valve adjusting tool for Pratt & Whitney aircraft engines. It was common during WWII, and many of these tools are offered on Ebay under the -1075 and -23354 part numbers. The socket is detachable from the handle of the tool, which contains a straight screwdriver bit to adjust the valve lash, while the socket is used to tighten the lock nut.



These were originally offered with hex drive and three sockets. Im not sure when they were changed to the 1/2” square drive anvil.
Yea. That would be great.Lesserson made a pretty nice one over on bethlehem thread. Lmk if you want some measurements.