c. Weights.

d. Air or gas compressed into a reservoir; air vessel, bellows. See [Section 7].

e. Water raised into an elevated reservoir or tank, or pumped into a loaded accumulator. Variable Pressure Accumulator, [No. 1586].

f. Electricity stored in accumulators.

g. Explosives.

h. Pendulum. Sometimes used to accumulate power to be given out suddenly, as in punching.


Section 68.—RECIPROCATING AND CIRCULAR MOTION, CONVERTING ONE INTO THE OTHER.

(See Circular and Reciprocating Motion, [Section 21]).

(See Pawl and Ratchet Motions, [Section 62]).