[1334]. Bisschop’s disc engine, with three or four cylinders, single acting, whose rams press alternately on the edge of the disc.
[1335]. Another form of disc engine, in which partitions (rising and falling vertically) form the steam stops.
[1336]. A modification of [1316].
[1337]. Rotary or centrifugal pump or fan, numerous varieties of which are in use. Many of the later forms, as Blackman’s and others, have the vanes fixed diagonally so as to propel the air at right angles to the plane of motion.
Section 76.—SHAFTING.
Employed to convey motion from a motor to various forms of driven machinery by gearing of various kinds. See Sections [3], [11], [38], [40], and [84].
Materials employed are:—Round, square, or polygonal wrought iron or steel bars, cast iron, wood, iron or steel tubes, planished round iron and steel bars, &c.
Stow’s flexible shafting. See [No. 442].
[1338]. Longitudinal section of a cast-iron shaft. These are sometimes made of a X section.