161-2   A Tectool Two-Cutter Plough Plane

161-3 This is a mold for making glass lenses.

161-4  This tool is a shoe maker’s burnisher.

The Gristmill What’s It Column for September 2015

160-1   This is possibly a pump log shaper that was used to shape the inside end of a log for coupling two of them together. Thanks to Dave Peoples for sending in this answer along with a photo of his similar tool which can be seen below.

160-2  A watch crystal removing and replacing tool, patent number 3,074,156

160-3 No answer yet for this device

160-4  This is a precision laboratory resistor or shunt, marked “.1 Ohm 15 Amps,” the nameplate reads “The Leeds and Northrup Co., Scientific Instruments, Philadelphia.”

The Gristmill What’s It Column for June 2015
159-1. A shoe maker’s corrugated burnisher:

159-2.  This is steel and shaped like a plumb bob but there is no way to attach a string. It weighs 1 pound 10.4 ounces, is 4-1/2″ long and the largest diameter is 1-3/4″.  One possible answer is that it could be a plumber’s turnpin for flaring one end of a pipe, then a second pipe could be inserted into the first and then soldered  to join them together.

159-3. A salt pulverizer, for breaking up the salt in a shaker, patent number 71,643:

145-3. This tool was published in the December 2011 Gristmill, finally got an answer for it, turns out that it’s a Goodell-Pratt Manufacturing Co. tool for cutting off round stock that is being turned in a lathe.

159-4. Possibly a wick trimmer, similar to patent number 24,804:

The Gristmill What’s It Column for March 2015

158-2. This is a Linstock that was utilized by the gun captain to ignite a cannon, it used a smoldering match rope that was soaked in potassium nitrate. It’s missing its long wood handle.

158-3. A fence anchor that was used to keep cattle from getting under a fence, patent number 837,992: