February 2013 Mystery Tool A
Box scraper. Photo submitted by Janice Cleland, Spotsylvania, Pa. See patent 175,758.
February 2013 Mystery Tool B
Wire shovel suited to a variety of sifting functions. Photo submitted by Barbara Owens, Cottonwood, Calif. See patent 230,337 for a similar piece.
February 2013 Mystery Tool C
Possibly a shock-tying clamp. Photo submitted by Allen Raeder, Glenbeulah, Wis.
February 2013 Mystery Tool D
Terminal puller used to remove battery cables from car, truck or tractor battery posts. Photo submitted by Maurice Knutson, Taylor, Wis. See patent 1,853,846.
February 2013 Mystery Tool E
Grain-lifer guard for mowing machines. Photo submitted by Erwin L. Fullerton, S. Woodstock, Vt. See patent 1,797,682.