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the beginning of a contraction or narrowing in a tube or cylinder.

which the heat or pressure energy necessary to produce motion is developed in the engine cylinder, as by the explosion of a gas, and not in a separate chamber, as in a steam- engine boiler. The gas used may be a fixed gas, or one derived from alcohol, ether, gasoline (petrol), naphtha, oil (petroleum), etc. There are…

material such as wood or felt, used to prevent radiation of heat, as from a steam boiler, cylinder, pipe, etc.

. -- Joss stick, a reed covered with a paste made of the dust of odoriferous woods, or a cylinder made wholly of the paste; -- burned by the Chinese before an idol.

which it is then delivered, thereby displacing an equal amount of hot air into the engine cylinder. Here it expands adiabatically to the temperature of the cold chamber into which it is finally exhausted. This cycle, reversed, is used in refrigerating machines.

rupp, at Essen in Prussia. Guns of over eight-inch bore are made up of several concentric cylinders; those of a smaller size are forged solid. Knight.

narrow boards or staves forming the covering of a cylindrical object, as a boiler, or the cylinder of a carding machine or a steam engine.

The clothing (esp., an outer, wooden covering), as of a steam cylinder, applied to prevent the radiation of heat; a covering of lags; -- called also deading and cleading.

A small cylinder of black lead or plumbago, used in pencils. Black lead, graphite or plumbago, ; -- so called from its leadlike appearance and streak. [Colloq.] -- Coasting lead, a sounding lead intermediate in weight between a hand lead and deep-sea lead. -- Deep-sea lead, the heaviest of sounding leads, used in wate…

A device for letting off, releasing, or giving forth, as the warp from the cylinder of a loom.

One who, or that which, licks. Licker in (Carding Machine), the drum, or cylinder, by which the lap is taken from the feed rollers.

A lining within the cylinder, in which the piston works and between which and the outer shell of the cylinder a space is left to form a steam jacket.

or fabrics. Lint doctor (Calico-printing Mach.), a scraper to remove lint from a printing cylinder.

To increase the power of (a single-cylinder beam engine) by adding a small high-pressure cylinder with a piston acting on the beam between the center and the flywheel end, using high-pressure steam and working as a compound engine, -- a plan introduced by M'Naught, a Scottish engineer, in 1845.

nger operated by an elastic metal diaphragm which closes a tube connected with the engine cylinder. It is also moved at right angles to this direction by a reducing motion, called a reproducer, so as to copy accurately on a smaller scale the motion of the engine piston. The resultant of these two movements imparts to t…

In an internal-combustion engine with two or more cylinders, an induction coil and vibrator placed in the circuit between the battery or magneto and the coils for the different cylinders, which are used without vibrators of their own.

), the layer of white semifluid substance (myelin), between the primitive sheath and axis cylinder of a medullated nerve fiber.

telephone, depending on the fact that the friction between a metallic point and a moving cylinder of moistened chalk, or a moving slip of paper, on which it rests is diminished by the passage of a current between the point and the moving surface. -- Mo`to*graph"ic (#), a.

A short hollow cylinder surrounding an object, as a pipe.

An earthenware compartment or oven, often shaped like a half cylinder, used in furnaces to protect objects heated from the direct action of the fire, as in scorification of ores, cupellation of ore buttons, etc.