"Block shears act with additional leverage, and can consequently be used for rather thicker metal, the…
"Cutting pliers and cutting nippers have a pair of knife edges so arranged as to work exactly opposite…
A shaftlike tool with two or more cutting edges for making holes in firm materials, esp. by rotation.
"Where the lathe has no special taper turning attachment, the rig here described can readily be made…
"A ratchet brace is a powerful instrument, and carries in itself the screw for obtaining the requisite…
"The ordinary sheet-metal shears merely resemble very powerful scissors, and, their action being quite…
"The wood-worker's main stand-by for boring is the stock or brace and set of bits." — Encyclopedia…