LIFTING a.
ine. See Health lift, under Health. -- Lifting pump. (Mach.) (a) A kind of pump having a bucket, or valved piston, instead of a solid piston, for drawing water and lifting it to a high level. (b) A pump which lifts the water only to the top of the pump, or delivers it through a spout; a lift pump. -- Lifting rod, a v…
ROTARY a.
in which the fluid is impelled by rotating devices which take the place of reciprocating buckets or pistons. -- Rotary shears, shears, as for cloth, metal, etc., in which revolving sharp-edged or sharp-cornered wheels do the cutting. -- Rotary valve, a valve acting by continuous or partial rotation, as in the four-w…
SPEAR n.
The rod to which the bucket, or plunger, of a pump is attached; a pump rod. Spear foot, the off hind foot of a horse. -- Spear grass. (Bot.) (a) The common reed. See Reed, n., 1. (b) meadow grass. See under Meadow. -- Spear hand, the hand in which a horseman holds a spear; the right hand. Crabb. -- Spear side, the m…