Knight's American mechanical dictionary : a description of tools, instruments, machines, processes and engineering, history of inventions, general technological vocabulary ; and digest of mechanical appliances in science and the arts . I See under the following heads : —I Archimedean-screw propeller. Propeller-engine. Auxiliary screw. Ducks-foot propeller. Elastic propeller. Endless-chain propeller. Fish-tail propeller. Hydraulic propeller. Nautilus-propeller. Oar-propeller., Paddle-wheel. Pole-propeller. and pinion and traversing-wheel
Knight's American mechanical dictionary : a description of tools, instruments, machines, processes and engineering, history of inventions, general technological vocabulary ; and digest of mechanical appliances in science and the arts . I See under the following heads : —I Archimedean-screw propeller. Propeller-engine. Auxiliary screw. Ducks-foot propeller. Elastic propeller. Endless-chain propeller. Fish-tail propeller. Hydraulic propeller. Nautilus-propeller. Oar-propeller., Paddle-wheel. Pole-propeller. and pinion and traversing-wheel Pro-pePler-eugine. The introduction of thescrew-propLdhn- has brought into use a new class ofengines of short stroke, a nuniVier being ranged in aline coincident with the line of the this service the oscillating-cylinder engine ispeculiarly adapted. See Oscillating-cylixdeu Ex- (;IXE; ENGINE. Pro-pePler-pump. A form of rotary pump inwhich the wheel resembles the propeller-vvlieel ofthe marine service. It is driven by band-shafting Fig. r c^O O 1 fttddk- Propellers. and geariiijj in a iliieotion tn (lallicr the water amiforce it npwaid in tliu vertical tube ; interior radialwings direct thi column of water upward and pre-vent its acquiring a vortical motion. Pro-peller-^vheel. The blades are sections ofspiral llanges windioK around the shaft like screw-threads. The rotation of the shaft causes the bladesto bear obliquely against the water, and produces ii PROP-JOINT. 1811 PROTRACTOR. motiuii of the vessel in the direction of the axis oftile screw. Generally called a screvv-proiieller. SeePuoIKLLIlI; ; ScREW-PROPELLER. Prop-joint. (Carriage.) The jointed bar whichspreads the bows of a calash-top. Its ends are sock- Fig. 3978.
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Keywords: ., bookcentury1800, booksubjectin, booksubjectmechanicalengineering
