Henley's Encyclopædia of Practical Engineering and Allied Trades: A Practical and Indispensable Work of Reference for the Mechanical Engineer, Designer, Draftsman, Shop Superintendent, Foreman and Machinist ...Joseph Gregory Horner N.W. Henley Publishing Company, 1906 |
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Página 6
... speeds . But with a suitable oiling or greasing medium successful running is attained , the lubricant forming an interposing film between the surfaces which work together , and so lessening or pre- venting their abrasive action upon ...
... speeds . But with a suitable oiling or greasing medium successful running is attained , the lubricant forming an interposing film between the surfaces which work together , and so lessening or pre- venting their abrasive action upon ...
Página 18
... speed drilling and milling machines , and as in the belt pulleys of fans for blowing and exhausting . But belt pulleys must be guarded whenever possible , and this is done on machines by fixing a light removable or hinged guard of wire ...
... speed drilling and milling machines , and as in the belt pulleys of fans for blowing and exhausting . But belt pulleys must be guarded whenever possible , and this is done on machines by fixing a light removable or hinged guard of wire ...
Página 19
... speed , to give them a chance to fracture before sending them out . See Guards for illustrations . The best protection for lifts is a subject on which there is no unanimity of opinion . A use- ful safety device is the bar gripper , that ...
... speed , to give them a chance to fracture before sending them out . See Guards for illustrations . The best protection for lifts is a subject on which there is no unanimity of opinion . A use- ful safety device is the bar gripper , that ...
Página 37
... speed of plate , diaphragm , and the subject all have to be considered , and the process is simplified in the majority of actinometers by a slide rule arrange- ment , one scale having to be set to another . The verdict of the ...
... speed of plate , diaphragm , and the subject all have to be considered , and the process is simplified in the majority of actinometers by a slide rule arrange- ment , one scale having to be set to another . The verdict of the ...
Página 39
... speed is attained does so on starting . It explains also why some of the early locomotives were built for rack railways , but as the weight of engines increased , the racks were found to be unnecessary . Under the most favourable ...
... speed is attained does so on starting . It explains also why some of the early locomotives were built for rack railways , but as the weight of engines increased , the racks were found to be unnecessary . Under the most favourable ...
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acetylene acid adjustable alloys alternate currents aluminium ammonia angle annealing antimony anvil arbor armour atomiser automatic axle band saw bars beam bearing belt bending bevel blast block boiler bolted carbon carried cast iron cent centre compression compressor concrete condenser copper crane curve cutter cutting cylinder diameter drilling driving edges electric employed engines face Fahr feed feet fitted flanges friction furnace gauge gears heat holes horizontal lathe latter length lever load machine material mechanism metal method milling cutters mould operations pattern pieces pipe piston pitch plates portion practice pressure produced pulleys pump quantity revolutions per minute ring rolled roller screw screw machines shaft side slide speed spindle square inch steam steel surface teeth temperature term thickness tion tons tool tooth tubes valve velocity vertical water-tube boilers weight wheel wrought iron zinc
Pasajes populares
Página 233 - This work treats of the making at home of electrical toys, electrical apparatus, motors, dynamos, and instruments in general, and is designed to bring within the reach of young and old the manufacture of genuine and useful electrical appliances.
Página 113 - A plane rectilineal angle is the inclination of two straight lines to one another, which meet together, but are not in the same straight line.
Página 8 - Magnitudes which coincide with one another that is, which exactly fill the same space, are equal to one another.
Página 8 - If a straight line meets two straight lines, so as to " make the two interior angles on the same side of it taken " together less than two right angles...
Página 234 - A practical handbook of reference containing definitions of about 5,000 distinct words, terms and phrases. The definitions are terse and concise and include every term used in electrical science. Recently issued. An entirely new edition. Should be in the possession of all who desire to keep abreast with the progress of this branch of science.
Página 185 - From half the sum of the three sides, subtract each side separately; multiply the half -sum and the three remainders together; the square root of the product is the area.
Página 231 - A practical treatise on electrical calculations of all kinds reduced to a series of rules, all of the simplest forms, and involving only ordinary arithmetic; each rule illustrated by one or more practical problems, with detailed solution of each one.
Página 220 - Should any such test bar fail in either the tensile or bending test, no bars from such heat shall be allowed to be used in the construction of any marine boiler. Where a heat of steel bars has been passed by an inspector, separate lots...
Página 232 - This work of 172 pages is the simplest ever published on the subject of Electricity and does something not hitherto accomplished. Electricity is in many respects unexplained by the scientist ; to the ordinary man It is all a mystery. The object of "Electricity Simplified...
Página 101 - The results of these experiments seem to show that the friction of a perfectly lubricated journal follows the laws of liquid friction much more closely than those of solid friction. They show that under these circumstances the friction is nearly independent of the pressure per square inch, and that it increases with the velocity, though at a rate not nearly so rapid as the square of the velocity.