Norris's Hand-book for Locomotive Engineers and Machinists ... |
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Page 19
... EXAMPLE . - Required the number of imperial gallons in 4743 old wine gallons : — 40003332 = 583 · 2 700 = 40 = 33.32 3 = 2.490 3951-019 imperial gallons . TROY WEIGHT . AVOIRDUPOIS WEIGHT . AVOIRDUPOIS WEIGHT . Dec. WEIGHTS AND MEASURES ...
... EXAMPLE . - Required the number of imperial gallons in 4743 old wine gallons : — 40003332 = 583 · 2 700 = 40 = 33.32 3 = 2.490 3951-019 imperial gallons . TROY WEIGHT . AVOIRDUPOIS WEIGHT . AVOIRDUPOIS WEIGHT . Dec. WEIGHTS AND MEASURES ...
Page 52
... EXAMPLE . - Required the area of a segment of a circle , whose height is 34 feet , and the diameter of the circle 50 feet . 31 3.25 ; and 3 · 25 ÷ 50 = · 065 . 065 , as per Table , · 021659 ; and · 021659 × 502 = 54.147500 , the area ...
... EXAMPLE . - Required the area of a segment of a circle , whose height is 34 feet , and the diameter of the circle 50 feet . 31 3.25 ; and 3 · 25 ÷ 50 = · 065 . 065 , as per Table , · 021659 ; and · 021659 × 502 = 54.147500 , the area ...
Page 53
... EXAMPLE . - Required the area of a zone whose longest chord is 50 , and height 15 . 15 ÷ 50 = · 300 ; and · 300 , as per Table , = · 280876 . Hence • 280876 x 502 702-19 , the area of the zone . RULE 2. - When the zone is greater than a ...
... EXAMPLE . - Required the area of a zone whose longest chord is 50 , and height 15 . 15 ÷ 50 = · 300 ; and · 300 , as per Table , = · 280876 . Hence • 280876 x 502 702-19 , the area of the zone . RULE 2. - When the zone is greater than a ...
Page 54
... EXAMPLE . - Required the area of the segment of a circle , the chord being 12 , and the versed sine 2 . 24 12 × 2 24 ; 8 ; and 8 × 2 = 16 . 3 23 ÷ 24 ( 12 × 2 ) = · 3333 . Hence 16+ · 3333 = 16.3333 , the area of the segment very nearly ...
... EXAMPLE . - Required the area of the segment of a circle , the chord being 12 , and the versed sine 2 . 24 12 × 2 24 ; 8 ; and 8 × 2 = 16 . 3 23 ÷ 24 ( 12 × 2 ) = · 3333 . Hence 16+ · 3333 = 16.3333 , the area of the segment very nearly ...
Page 63
... be the length of the arc or curve required . EXAMPLE 1. — In Southwark Bridge , London , the profiles of the arches are the arcs of circles ; the span of the middle arch is 240 feet , and RULES FOR FINDING THE LENGTHS OF ARCS . 63.
... be the length of the arc or curve required . EXAMPLE 1. — In Southwark Bridge , London , the profiles of the arches are the arcs of circles ; the span of the middle arch is 240 feet , and 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 of Arc 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 tion tons trapezium tubes valve velocity Volume whole weight yards Zone
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