Elementary Introduction to Practical Mechanics: Illustrated by Numerous ExamplesLongmans, 1870 - 324 pages |
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Page 11
... formula Ex . 56. How many wires 2 √3 d2 or 8 7 dr of an inch in diameter must be put together Ans . 115 . to form a rope a square inch in section ? Ex . 57. If the number of wires of an inch in diameter which must be put together to ...
... formula Ex . 56. How many wires 2 √3 d2 or 8 7 dr of an inch in diameter must be put together Ans . 115 . to form a rope a square inch in section ? Ex . 57. If the number of wires of an inch in diameter which must be put together to ...
Page 13
... formula Ex . 56. How many wires 2 √3 d2 or 8 7 dr of an inch in diameter must be put together Ans . 115 . to form a rope a square inch in section ? Ex . 57. If the number of wires of an inch in diameter which must be put together to ...
... formula Ex . 56. How many wires 2 √3 d2 or 8 7 dr of an inch in diameter must be put together Ans . 115 . to form a rope a square inch in section ? Ex . 57. If the number of wires of an inch in diameter which must be put together to ...
Page 16
... formula , W = MX D3.5-3.5 11 63 .... and that of a solid column by the formula D3-5 w = m × 11.63 where M and m are constants depending on the nature 16 PRACTICAL MECHANICS .
... formula , W = MX D3.5-3.5 11 63 .... and that of a solid column by the formula D3-5 w = m × 11.63 where M and m are constants depending on the nature 16 PRACTICAL MECHANICS .
Page 38
... formula 1 - ξωτ . Ex . 135. A weight of 2 cwt . has to be raised from a depth of 100 fathoms by a rope 3 in . in circumference ; determine the number of units of work that must be expended in raising it , and the number of minutes in ...
... formula 1 - ξωτ . Ex . 135. A weight of 2 cwt . has to be raised from a depth of 100 fathoms by a rope 3 in . in circumference ; determine the number of units of work that must be expended in raising it , and the number of minutes in ...
Page 43
... formula 12 U = KE . 2L Ex . 150. The pumping apparatus of a mine is connected with the engine by means of a series of wrought - iron rods 200 ft . long ; the section of each rod is of a square inch ; the strain is estimated at 6 tons ...
... formula 12 U = KE . 2L Ex . 150. The pumping apparatus of a mine is connected with the engine by means of a series of wrought - iron rods 200 ft . long ; the section of each rod is of a square inch ; the strain is estimated at 6 tons ...
Common terms and phrases
ABCD angle of resistance angular angular velocity axis axle beam body brickwork cast iron centre of gravity circle circumference coefficient of friction Crown 8vo cubic foot curve cylinder described determine the number diameter direction distance draw Edition engine epicycloid equal equation equilibrium expended extrados forces acting formula friction frustum given hence horizontal horse-power inclined inclined plane last Example length limiting angle magnitude mass middle point minute modulus moment of inertia motion moving number of units oscillation P₁ parallel forces passing perpendicular plane pressure principle principle of moments Prop pulley R₁ radius raised reaction represent respectively rest resultant right angles rope round screw sliding space square inch steam suppose surface teeth thick thread tion triangle vertical vols wall weight wheel Woodcuts wrought iron
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Page 16 - Useful Information for Engineers. By the same Author. FIRST, SECOND, and THIRD SERIES, with many Plates and Woodcuts. 3 vols. crown 8vo. 10s. 6<f. each. The Application of Cast and "Wrought Iron to Building Purposes. By the same Author.
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Page 21 - The ALPINE GUIDE. By JOHN BALL, MRIA late President of the Alpine Club. Thoroughly Revised Editions, in Three Volumes, post Svo. with Maps and other Illustrations:— GUIDE to the WESTERN ALPS, including Mont Blanc, Monte Rosa, Zermatt, &c.
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Page 2 - The Seventh Great Oriental Monarchy ; or, a History of the Sassanians : with Notices Geographical and Antiquarian. By Geo. Rawlinson, MA With Map and 95 Illustrations. 8vo. 28s. Encyclopedia of Chronology, Historical and Biographical; comprising the Dates of all the Great Events of History, including Treaties, Alliances, Wars, Battles, &c.
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