Mystery Solved: March 2016 Mystery Tool Answers

| 5/6/2016 8:42:00 AM

March 2016 Mystery Tool A

March 2016 Mystery Tool A

Column clamp, used to clamp together materials such as panels of a column or post, or staves of a tank. Identified by Bob Wittersheim, Saline, Michigan, and Henry Schoppmann, Walkill, New York. See patent no. 727,651. Photo submitted by Bob Wittersheim, Saline, Michigan.

March 2016 Mystery Tool A

Patent no. 727,651: Column clamp. Patent granted May 12, 1903, to Andrew A. Loetscher, Dubuque, Iowa.


March 2016 Mystery Tool B

March 2016 Mystery Tool B


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