Inside Out Library · Explore

Scientific American, Vol. 94, No. 25 (1906) (1906)

leaf 10

An illustration from Scientific American, Vol. 94, No. 25 (1906), 1906, leaf 10
tance to ter-draft type, and in the central sleeve is a tube which bending is required; and finally, the shrinkage of the carries a plunger with a match in its upper end. The arm can more effectively be taken care of by the U-bolt plunger rests on a strong spring, which is held under and strap than… … While it is designed particularly for use with wooden the edge H, which under ordinary conditions is calcu- TIME-CONTROLLED LAMP. crossarms, it can readily be adapted to steel cross- lated to prevent skidding. Should the speed be un- arms, and to such special fixtures as are often neces- usually…

Internet Archive · Public domain (published before 1931). Free to use for anything.

More pictures from Scientific American, Vol. 94, No. 25 (1906)

More like this