Norris's Hand-book for Locomotive Engineers and Machinists ...H. C. Baird, 1854 - 302 σελίδες |
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Σελίδα 143
... raised one foot high per minute ; and one day's work of a horse , is this power , acting through eight hours . The pressure of steam is calculated in pounds avoir- dupois on the square inch , in perpendicular inches of mercury , and in ...
... raised one foot high per minute ; and one day's work of a horse , is this power , acting through eight hours . The pressure of steam is calculated in pounds avoir- dupois on the square inch , in perpendicular inches of mercury , and in ...
Σελίδα 147
... raise the injection water , and overcome the friction of the axes ..... 0.630 Loss by the steam being cut off before the end of the stroke ........ 1.000 Power required to work the air - pump ............ 0 · 500 Amount of deductions ...
... raise the injection water , and overcome the friction of the axes ..... 0.630 Loss by the steam being cut off before the end of the stroke ........ 1.000 Power required to work the air - pump ............ 0 · 500 Amount of deductions ...
Σελίδα 148
... raising 80 barrels per hour , to a height of 54 feet , = 1 horse . 6th . A set of three - throw " starting " pumps , pumping 250 barrels of beer per hour , to a height of 48 feet , 4.87 horses . 7th . Two pair of iron rollers and an ...
... raising 80 barrels per hour , to a height of 54 feet , = 1 horse . 6th . A set of three - throw " starting " pumps , pumping 250 barrels of beer per hour , to a height of 48 feet , 4.87 horses . 7th . Two pair of iron rollers and an ...
Σελίδα 193
... raised , to pass through a greater or a less space than the power which raises it ; for , as power is compounded of the weight or mass of a moving body multiplied into its velocity , a weight passing through a certain space may be made ...
... raised , to pass through a greater or a less space than the power which raises it ; for , as power is compounded of the weight or mass of a moving body multiplied into its velocity , a weight passing through a certain space may be made ...
Σελίδα 194
... raised by 4 men , who can exert a force of 12 cwt .: required the proportionate length of lever ? 60 3 tons 60 cwt ... raised . But , al- though the ball is raised by a force of only one- fifth of its weight , no power is gained , for ...
... raised by 4 men , who can exert a force of 12 cwt .: required the proportionate length of lever ? 60 3 tons 60 cwt ... raised . But , al- though the ball is raised by a force of only one- fifth of its weight , no power is gained , for ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
abscissa Atmospheric Railway avoirdupois axle blast-pipe boiler brass centre circle circular segments Circum circumference cloth coke conjugate connecting-rod copper crank Cube Root cubic feet cubic foot cubic inch curve cylinder cylinder in inches Dauphiny Decimal or Reciprocal diame diameter distance driving wheels eccentric-rod equal EXAMPLE.-Required find the Area find the Solidity fire-box Fraction or Numb friction Frustum fulcrum fulcrum and valve Gallons gauge give the solidity Height of Arc horses Hyperbola iron Length of Arc leverage locomotive engine metallic mile morocco motion multiply the sum North Shields ordinate Ounces Parabola pipes piston piston-rod plates Pounds pressure quotient radius rails Railway resistance revolving axis RULE RULE.-Multiply RULE.-To find screw segment shaft side smoke-box spindle square inch Square Root steam stroke subtract thickness tion tons trapezium tubes valve velocity Volume whole weight yards Zone
Δημοφιλή αποσπάσματα
Σελίδα 17 - Visits to Remarkable Places : Old Halls, Battle-Fields, and Scenes illustrative of Striking Passages in English History and Poetry. By WILLIAM HOWITT. 2 vols. square crown 8vo. with Wood Engravings, 25s. The Rural Life of England.
Σελίδα 6 - DYER AND COLOR-MAKER'S COMPANION: Containing upwards of two hundred Receipts for making Colors, on the most approved principles, for all the various styles and fabrics now in existence ; with the Scouring Process, and plain Directions for Preparing, Washing-off, and Finishing the Goods.
Σελίδα 17 - MEMOIRS OF THE GENERALS, COMMODORES, AND OTHER COMMANDERS, Who distinguished themselves in the American Army and Navy, during the War of the Revolution, the War with France, that with Tripoli, and the War of 1812, and who were presented with Medals, by Congress, for their gallant services. By THOMAS WYATT, AM, Author of " History of the Kings of France.
Σελίδα 6 - Lackering, Japanning, and Varnishing; to make French Polish ; to prepare the Best Glues, Cements, and Compositions, and a number of Receipts particularly useful for workmen generally.
Σελίδα 11 - LESLIE. — Complete Cookery: Directions for Cookery in its Various Branches. By Miss LESLIE. Sixtieth thousand.
Σελίδα 10 - PRACTICAL MEN : Being a Common-Place Book of Principles, Theorems, Rules, and Tables, in various departments of Pure and Mixed Mathematics, with their Applications ; especially to the pursuits of Surveyors, Architects, Mechanics, and Civil Engineers, with numerous Engravings.
Σελίδα 8 - Melter and Refiner in the United States Mint, Professor of Applied Chemistry in the Franklin Institute, etc., assisted by CAMPBELL MORFIT, author of " Chemical Manipulations,
Σελίδα 5 - Builder's Pocket Companion: Containing the Elements of Building, Surveying, and Architecture ; with Practical Rules and Instructions connected with the subject. By AC SMEATON, Civil Engineer, etc. In one volume, 12mo.
Σελίδα 6 - Work ; the Art of Dyeing and Staining Wood, Bone, Tortoise Shell, etc. Directions for Lackering, Japanning, and Varnishing ; to make French Polish ; to prepare the best Glues, Cements, and Compositions, and...
Σελίδα 5 - Colors ; and a statement of the Diseases and Accidents to which Painters, Gilders and Varnishers are particularly liable, with the simplest methods of Prevention and Remedy.