The engineer's sketch-book of mechanical movements, devices, appliances, contrivances and details employed in the design and construction of machinery for every purpose

by Thomas Walter Barber

[456]. Slitting discs, for cutting sheets into strips.

[457]. Revolving cutter head, for moulding, tenoning, and numerous wood working uses.

[458]. Hollow revolving cutter head, for rounding wood rods, broom handles, &c. See also [No. 488].

[459]. Reaping machine cutters. A series of scissor-shaped knives, one set fixed and the other reciprocating.

[460]. Wire cutter discs, one fixed, the other attached to the hand lever, and having corresponding holes of various sizes in both discs.

[461]. Chaff machine, with revolving shear blades.

[462]. Guillotine shears.

[463]. Milling cutters.

[464]. Tubular machine cutter for wood working; easily sharpened, and can be revolved to present fresh cutting edges to the work.