Belt-hook. A hook employed to fasten the ends of belts together.

Belt-pulley. A wheel that drives or is driven by a belt.

Belt-shipper. A device for moving a belt from one pulley to another.

Belt-tightener. A pulley employed to cause a belt to tighten upon another pulley to enable it to transmit motion periodically instead of continuously.

Bevel-sawing machine. A wood-working machine in which the saw or the work table may be set to cut a surface at other than a right angle to the face of the work that rests against the work table or the fence as the case may be.

Bevel-square. A square whose blade may be set to any required angle to the stock that holds it.

Bevel-wheel, or bevel-gear. A gear wheel with its teeth at an angle to its shaft.

Bit. 1. A boring tool. 2. A tool that is carried in a holder.

Blank. A piece of material roughly formed and ready to be formed into some definite shape.

Blast-pipe. 1. The pipe conveying the blast or air to a fire furnace or cupola. 2. A small pipe through which steam escapes up a locomotive chimney to increase the draught of the fires.