Elementary Introduction to Practical Mechanics: Illustrated by Numerous ExamplesLongmans, 1870 - 324 pages |
From inside the book
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Page 25
... represents the ordinary undershot wheel with plane float boards ; fig . 3 the breast wheel , in which the water acts upon the float boards considerably above the level of the exit canal . Fig . 4 represents the overshot wheel . FIG ...
... represents the ordinary undershot wheel with plane float boards ; fig . 3 the breast wheel , in which the water acts upon the float boards considerably above the level of the exit canal . Fig . 4 represents the overshot wheel . FIG ...
Page 34
... represent interest on capital , repairs , and restitution . It may interest the reader to consider the following statement taken from Mr. R. Stephenson's paper on Railway Economy which forms an appendix to Mr. Smiles's Life of George ...
... represent interest on capital , repairs , and restitution . It may interest the reader to consider the following statement taken from Mr. R. Stephenson's paper on Railway Economy which forms an appendix to Mr. Smiles's Life of George ...
Page 36
... represents the s feet on scale , and the perpendicular AD represents the P lbs . on the same scale : then , since the area of ABCD contains Ps square units on the same scale , that area will correctly re- present the work done by P ...
... represents the s feet on scale , and the perpendicular AD represents the P lbs . on the same scale : then , since the area of ABCD contains Ps square units on the same scale , that area will correctly re- present the work done by P ...
Page 37
... represent re- spectively the space through which the force has acted and the magnitude of the force , then will the area of the curve between any two ordinates represent the work done by the force while acting through a space ...
... represent re- spectively the space through which the force has acted and the magnitude of the force , then will the area of the curve between any two ordinates represent the work done by the force while acting through a space ...
Page 38
... represents on scale the weight of the rope left hanging when the extremity has been raised through a space AN . Therefore the area ABC represents the number of units of work required to wind up the whole rope , and the area CAPN the ...
... represents on scale the weight of the rope left hanging when the extremity has been raised through a space AN . Therefore the area ABC represents the number of units of work required to wind up the whole rope , and the area CAPN the ...
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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