four.cycle
Well-known member
Keystone Mfg. Co., 41-63 Chandler St., Buffalo, N.Y.
(* not to be confused with Keystone Drop Forge Co., Northumberland, PA. or Keystone Reamer & Tool Co., Millersburg, PA. *)
Manufacturers of the "Westcott" wrench
More information about Keystone at:
http://toolarchives.com/node/572
http://alloy-artifacts.org/other-makers-p2.html#keystone
photos of Westcott curved adjustable wrench HERE: https://www.garagejournal.com/forum/showthread.php?t=380394
photos of another early Keystone socket set HERE: https://www.garagejournal.com/forum/showthread.php?t=302643
==
Here's a little Keystone 250 8-pc 1/4" hex drive SAE socket set
6-pt sockets: 3/16", 1/4", 5/16", 11/32", 7/16", 1/2", 1/4" square socket, and "ell" handle
the holder is stamped on the bottom:
"250 Keystone Mfg. Co. Buffalo, N.Y., U.S.A."
presumably the patent applicable to the holder is 1696444 issued June 27, 1925



a few early catalog snips:



(* not to be confused with Keystone Drop Forge Co., Northumberland, PA. or Keystone Reamer & Tool Co., Millersburg, PA. *)
Manufacturers of the "Westcott" wrench
More information about Keystone at:
http://toolarchives.com/node/572
http://alloy-artifacts.org/other-makers-p2.html#keystone
photos of Westcott curved adjustable wrench HERE: https://www.garagejournal.com/forum/showthread.php?t=380394
photos of another early Keystone socket set HERE: https://www.garagejournal.com/forum/showthread.php?t=302643
==
Here's a little Keystone 250 8-pc 1/4" hex drive SAE socket set
6-pt sockets: 3/16", 1/4", 5/16", 11/32", 7/16", 1/2", 1/4" square socket, and "ell" handle
the holder is stamped on the bottom:
"250 Keystone Mfg. Co. Buffalo, N.Y., U.S.A."
presumably the patent applicable to the holder is 1696444 issued June 27, 1925



a few early catalog snips:








