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A team of horses harnessed one before the other. "He drove tandems." Thackeray. Tandem engine, a compound steam engine having two or more steam cylinders in the same axis, close to one another. -- Tandem bicycle or tricycle, one for two persons in which one rider sits before the other.

A kind of two-wheeled vehicle with seats back to back, the front one somewhat elevated.

A steam engine having two or more steam cylinders in line, with a common piston rod.

= Cascade system.

The first of two or more surfaces arranged in tandem; -- contr. with following surface, which is the rear surface.

ric traction in which motors so connected are employed. The cascade system is also called tandem, or concatenated, system; the connection a cascade, tandem, or concatenated, connection, or a concatenation; and the control of the motors so obtained a tandem, or concatenation, control. In the cascade system of traction t…

A train or series of kites on one string and flying tandem, used for attaining great heights and for sending up instruments for meteorological observations or a man for military reconnoissance; also, a kite of such a train.