Chapter XCVI: Section 5: Brakes and Retarding Appliances

(_See also p. 14._)

=1963. Steam engine dash-pot;= a steam cushioning device for valve movements. The cylinder is always full of steam under pressure, and a small bye-pass groove provided to allow steam to pass the piston when a blow or push is received. See No. 1480.

=1964. Railway car brake,= fulcrumed on the axle spring, so that the loaded car gives the pressure applied through the lever.

=1965. Double car brake;= applies the grip to the wheel rim without cross or side strain on the axle.

=Brush brake.= A brush of stiff bristles or steel wires is sometimes
used as a brake to a revolving pulley.