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ing jack. See 2d Jack, 5. -- Lifting machine. 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…

Gutters or conduits on each side of the keelson to afford a passage for water to the pump well. Limber boards (Naut.), short pieces of plank forming part of the lining of a ship's floor immediately above the timbers, so as to prevent the limbers from becoming clogged. -- Limber box or chest (Mil.), a box on the limber…

ipe leading to or from a reservoir; as, a fire main. Forcing main, the delivery pipe of a pump. -- For the main, or In the main, for the most part; in the greatest part. -- With might and main, or With all one's might and main, with all one's strength; with violent effort. With might and main they chased the murderou…

pring so as to set in motion an index; a pressure gauge. See Pressure, and Illust. of Air pump.

A frame with a wire cloth bottom, on which the pump is drained to form a sheet, in making paper by hand.

One of the series of disks or pistons in the chain pump. Knight.

eavy timber surrounding an opening in a deck, to strengthen it for the support of a mast, pump, capstan, or the like. Dormant, or Silent, partner. See under Dormant, a.

A line with a row of hooks and bead Paternoster pump, Paternoster wheel, a chain pump; a noria. -- Paternoster while, the space of time required for repeating a paternoster. Udall.

The barrel of a wooden pump.

Any fleshy fruit with a firm rind, as a pumpkin, melon, or gourd. See Gourd.

rison. Pet cock. Etym: [Perh. for petty cock.] (Mach.) A little faucet in a water pipe or pump, to let air out, or at the end of a steam cylinder, to drain it.

uid, which, at certain points, exists in the upper strata of the earth, from whence it is pumped, or forced by pressure of the gas attending it. It consists of a complex mixture of various hydrocarbons, largely of the methane series, but may vary much in appearance, composition, and properties. It is refined by distill…

ked with something in it or under it; as, chicken pie; venison pie; mince pie; apple pie; pumpkin pie.

A line of pipe with pumping machinery and apparatus for conveying liquids, esp. petroleum, between distant points.

ves, back and forth. It is used in steam engines to receive motion from the steam, and in pumps to transmit motion to a fluid; also for other purposes. Piston head (Steam Eng.), that part of a piston which is made fast to the piston rod. -- Piston rod, a rod by which a piston is moved, or by which it communicates moti…

h the ore is hoisted and the workmen carried; -- in distinction from a shaft used for the pumps.

A long solid cylinder, used, instead of a piston or bucket, as a forcer in pumps.

a tubular pile or cylinder of large diameter sunk by atmospheric pressure. -- Pneumatic pump, an air-exhausting or forcing pump. -- Pneumatic railway. See Atmospheric railway, under Atmospheric. -- Pneumatic syringe, a stout tube closed at one end, and provided with a piston, for showing that the heat produced by c…

See Pumpion.

id or cover of a pot. Potlid valve, a valve covering a round hole or the end of a pipe or pump barrel, resembling a potlid in form.