Norris's Hand-book for Locomotive Engineers and Machinists ... |
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Page 5
... rules in the most simple manner , so that there will be no danger of the young student being discouraged by unnecessary display of algebraical formulas , which the sight of frightens the timid . All may understand who are familiar with ...
... rules in the most simple manner , so that there will be no danger of the young student being discouraged by unnecessary display of algebraical formulas , which the sight of frightens the timid . All may understand who are familiar with ...
Page 52
... RULE . - Divide the height , or versed sine , by the diameter of the circle , and find the quotient in the column of heights . Then take out the corresponding area , in the column of areas , and multiply it by the square of the diameter ...
... RULE . - Divide the height , or versed sine , by the diameter of the circle , and find the quotient in the column of heights . Then take out the corresponding area , in the column of areas , and multiply it by the square of the diameter ...
Page 53
... RULE 2. - When the zone is greater than a semi- circle , take the height on each side of the diameter of the circle , and find , by Rule 1 , their respective areas ; the areas of these two portions , added to- gether , will be the area ...
... RULE 2. - When the zone is greater than a semi- circle , take the height on each side of the diameter of the circle , and find , by Rule 1 , their respective areas ; the areas of these two portions , added to- gether , will be the area ...
Page 54
Septimus Norris. Approximating Rule to find the Area of a Segment of a Circle . RULE . - Multiply the chord of the segment by the versed sine , divide the product by 3 , and multi- ply the remainder by 2 . Cube the height , or versed ...
Septimus Norris. Approximating Rule to find the Area of a Segment of a Circle . RULE . - Multiply the chord of the segment by the versed sine , divide the product by 3 , and multi- ply the remainder by 2 . Cube the height , or versed ...
Page 63
... RULE . - Divide the height by the base , and the quotient will be the height of an arc of which the base is unity ... RULES FOR FINDING THE LENGTHS OF ARCS . 63.
... RULE . - Divide the height by the base , and the quotient will be the height of an arc of which the base is unity ... RULES FOR FINDING THE LENGTHS OF ARCS . 63.
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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