Norris's Hand-book for Locomotive Engineers and Machinists ...H. C. Baird, 1854 - 302 σελίδες |
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Σελίδα 10
... Surfaces Miscellaneous Remarks ..... 117 ... 104 . 205 Proportions of Length of Circular Arcs ......... .. Proportions of Length of Semi - Elliptic Arcs ........ Radius of Curves .... 55 58 190 Railways . Reciprocals of Numbers ...
... Surfaces Miscellaneous Remarks ..... 117 ... 104 . 205 Proportions of Length of Circular Arcs ......... .. Proportions of Length of Semi - Elliptic Arcs ........ Radius of Curves .... 55 58 190 Railways . Reciprocals of Numbers ...
Σελίδα 104
... SURFACES . OF FOUR - SIDED FIGURES . 2 3 4 α d d To find the area of a four - sided figure , whether it be a square , fig . 1 , a parallelogram , fig . 2 , a rhombus , fig . 3 , or a rhomboid , fig . 4 . RULE . - Multiply the length ...
... SURFACES . OF FOUR - SIDED FIGURES . 2 3 4 α d d To find the area of a four - sided figure , whether it be a square , fig . 1 , a parallelogram , fig . 2 , a rhombus , fig . 3 , or a rhomboid , fig . 4 . RULE . - Multiply the length ...
Σελίδα 105
... 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.
... 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.
Σελίδα 106
... find the Area of a Trapezoid , fig . 9 . RULE 1. - Multiply the sum of the two parallel sides , a h , d c , by a p , the perpendicular distance between them , and half the product will be the 106 MENSURATION OF SURFACES .
... find the Area of a Trapezoid , fig . 9 . RULE 1. - Multiply the sum of the two parallel sides , a h , d c , by a p , the perpendicular distance between them , and half the product will be the 106 MENSURATION OF SURFACES .
Σελίδα 107
... distances from each other ; add all the breadths together , and divide the sum by this num- ber , for the mean breadth ; then multiply the mean breadth by the length of the figure , and the MENSURATION OF SURFACES . 107.
... distances from each other ; add all the breadths together , and divide the sum by this num- ber , for the mean breadth ; then multiply the mean breadth by the length of the figure , and the MENSURATION OF SURFACES . 107.
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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