September 2013 Mystery Tool A
Ratchet drill. Photo submitted by James Weaver, Sylvania, Ga. See patent 666,695 for a similar piece.
September 2013 Mystery Tool B
Anti-kickback attachment for a radial arm saw. Photo submitted by Tom Wormington, Monett, Mo.
September Mystery Tool C
Orchard sprayer built by John Bean Spray Pump Co., San Jose, Calif. Photo submitted by Jim Wilson, Knoxville, Tenn.