Norris's Hand-book for Locomotive Engineers and MachinistsH.C. Baird, 1852 - 302 σελίδες |
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Σελίδα 180
... leverage , we will have two , three , or four times & c . the effect produced respectively , the weight re- maining ... leverage ; and the leverage , multiplied by the weight , gives the whole weight upon the valve ; and this product ...
... leverage , we will have two , three , or four times & c . the effect produced respectively , the weight re- maining ... leverage ; and the leverage , multiplied by the weight , gives the whole weight upon the valve ; and this product ...
Σελίδα 181
... leverage , gives the weight . Or , if the weight be given , divide by it , and the quotient will give the leverage ; and the leverage , multiplied by the distance between the fulcrum and the valve , gives the length of the lever . Ex ...
... leverage , gives the weight . Or , if the weight be given , divide by it , and the quotient will give the leverage ; and the leverage , multiplied by the distance between the fulcrum and the valve , gives the length of the lever . Ex ...
Σελίδα 182
... leverage which any weight will have when put on at the end of the lever . Multiply this leverage by half the weight of the lever , and the product will give the pressure on the whole valve from the action of the lever alone : add to ...
... leverage which any weight will have when put on at the end of the lever . Multiply this leverage by half the weight of the lever , and the product will give the pressure on the whole valve from the action of the lever alone : add to ...
Σελίδα 183
... leverage of the centre of gravity ; and 3 lbs . the weight of the lever , mul- tiplied by 4 , gives 12 lbs . the ... leverage , gives the weight . Thus , 24 ÷ 3 = 8 leverage of the end of the lever ; and 1958 gives 24 24.375 lbs . the ...
... leverage of the centre of gravity ; and 3 lbs . the weight of the lever , mul- tiplied by 4 , gives 12 lbs . the ... leverage , gives the weight . Thus , 24 ÷ 3 = 8 leverage of the end of the lever ; and 1958 gives 24 24.375 lbs . the ...
Σελίδα 184
... leverage ; and the leverage , multiplied by the distance between the fulcrum and valve , gives the distance from the fulcrum the given weight must be put . Thus 7 × 20 = 140 = whole weight upon the valve ; from this subtract 15 lbs ...
... leverage ; and the leverage , multiplied by the distance between the fulcrum and valve , gives the distance from the fulcrum the given weight must be put . Thus 7 × 20 = 140 = whole weight upon the valve ; from this subtract 15 lbs ...
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
66 white abscissa Atmospheric Railway 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 in inches Dauphiny Decimal or Reciprocal diame distance driving wheels E. G. SQUIER 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 half Height of Arc horses Hyperbola Illustrated 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 screw segment shaft side spindle square inch square root steam steam dome stroke subtract thickness tion tons tubes valve velocity Volume whole weight yards Zone
Δημοφιλή αποσπάσματα
Σελίδα 5 - Companion : A Treatise in which the Practical Operations of the Trade are Systematically laid down : with Copious Directions Preparatory to Papering; Preventives against the Effect of Damp on Walls; the various Cements and Pastes Adapted to the Several Purposes of the Trade ; Observations and Directions for the Panelling and Ornamenting of Rooms, etc.
Σελίδα 16 - MEMOIRS OF THE GENERALS, COMMODORES, AND OTHER COMMANDERS, Who distinguished themselves in the American Army and Navy, during the War of the Revolution...
Σελίδα 16 - 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 9 - MATHEMATICS FOR 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 5 - 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. By J. STOKES. In one volume, 12mo.
Σελίδα 2 - The Manufacture of Iron in all its Various Branches : To which is added an Essay on the Manufacture of Steel, by FREDERICK OVERMAN, Mining Engineer, with one hundred and fifty Wood Engravings.
Σελίδα 5 - Comprising the Rudiments and Principles of Cabinet-making and Upholstery, with Familiar Instructions, Illustrated by Examples for attaining a Proficiency in the Art of Drawing, as applicable to Cabinet-work ; The Processes of Veneering, Inlaying, and Buhl-work ; the Art of Dyeing and Staining Wood, Bone, Tortoise Shell, etc. Directions for...
Σελίδα 9 - Productions of Pictures through the Agency of Light ; including Calotype, Chrysotype, Cyanotype, Chromatype, Energiatype, Anthotype, Amphitype, Daguerreotype, Thermography, Electrical and Galvanic Impressions. By GEORGE THOMAS FISHER, Jr., Assistant in the Laboratory of the London Institution.
Σελίδα 293 - If two lines be drawn through the centre of the circle, at right angles to each other, they will divide the circumference into four equal parts, of 90° each. Every right angle then, as...