[1038]. Air pump, with foot and head valves.

[1039]. Hand or power pump. Can be thrown into action from the crank shaft by fastening the set screw, or may be worked independently by the hand lever.

[1040]. “Worthington” pattern of plunger pump, double acting.

[Larger plate.]

[1041]. Double barrel pump, with bucket pistons. The water passes both pistons, which are fitted with valves opening opposite ways.

[1042]. Oscillating sector or quadrant pump, with one vane or piston.

[1043]. Double quadrant pump. The two vanes are worked by links from a single crank.

[1044]. Oscillating pump, with two radial vanes keyed to a central rocking shaft.

[1045]. Hollow plug; oil or water feeder.