Norris's Hand-book for Locomotive Engineers and Machinists ... |
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Page 10
... Radius of Curves .... 55 58 190 Railways . Reciprocals of Numbers .. ... 151 31 Resistance against Piston ....... Revolutions of Driving Wheels ...... .. Safety Valve and Lever ....... 207 191 .. 178 Safety Valves ..... 257 Setting ...
... Radius of Curves .... 55 58 190 Railways . Reciprocals of Numbers .. ... 151 31 Resistance against Piston ....... Revolutions of Driving Wheels ...... .. Safety Valve and Lever ....... 207 191 .. 178 Safety Valves ..... 257 Setting ...
Page 65
... , and from the centre , g , with the radius , g i , describe the arc ik , meeting d B , produced to k ; then ik is half the arc A B C. 6 * The following TABLES of Areas and Solidities will be found RULES FOR FINDING THE LENGTHS OF ARCS .
... , and from the centre , g , with the radius , g i , describe the arc ik , meeting d B , produced to k ; then ik is half the arc A B C. 6 * The following TABLES of Areas and Solidities will be found RULES FOR FINDING THE LENGTHS OF ARCS .
Page 105
... REGULAR POLYGONS . To find the Area of a regular Polygon . RULE . - Multiply the length of a perpendicular , drawn from the centre to one of the sides ( or the radius of its inscribed circle ) by the length of MENSURATION OF SURFACES . 105.
... REGULAR POLYGONS . To find the Area of a regular Polygon . RULE . - Multiply the length of a perpendicular , drawn from the centre to one of the sides ( or the radius of its inscribed circle ) by the length of MENSURATION OF SURFACES . 105.
Page 106
Septimus Norris. radius of its inscribed circle ) by the length of one side , and this product again by the number of sides ; and half the product will be the area of the polygon . [ For a table of the areas of regular polygons , see ...
Septimus Norris. radius of its inscribed circle ) by the length of one side , and this product again by the number of sides ; and half the product will be the area of the polygon . [ For a table of the areas of regular polygons , see ...
Page 109
... radius to its length . Or , as 3 is to the number of degrees in the arc ; So is 05236 times the radius its length . To find the Area of a Sector of a Circle , fig . 13 . RULE 1. - Multiply the length of the arc , a d b , by half the ...
... radius to its length . Or , as 3 is to the number of degrees in the arc ; So is 05236 times the radius its length . To find the Area of a Sector of a Circle , fig . 13 . RULE 1. - Multiply the length of the arc , a d b , by half the ...
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Common terms and phrases
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 Length 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 throw tion tons trapezium tubes valve velocity Volume whole weight yards Zone