Norris's Hand-book for Locomotive Engineers and Machinists ... |
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Page 143
... pressure of steam is calculated in pounds avoir- dupois on the square inch , in perpendicular inches of mercury , and in atmospheres ; each atmosphere is estimated as equal to the average pressure of our atmosphere at the surface of the ...
... pressure of steam is calculated in pounds avoir- dupois on the square inch , in perpendicular inches of mercury , and in atmospheres ; each atmosphere is estimated as equal to the average pressure of our atmosphere at the surface of the ...
Page 144
... pressure on the valve of 2 lbs . per circular inch , ) will give the quantity of water required for steam per minute . The quantity of water for injection should be 24 times that required for steam . The diameter of the injection - pipe ...
... pressure on the valve of 2 lbs . per circular inch , ) will give the quantity of water required for steam per minute . The quantity of water for injection should be 24 times that required for steam . The diameter of the injection - pipe ...
Page 145
Septimus Norris. NON - CONDENSING , OR HIGH PRESSURE ENGINES . The length of the cylinder should be at least twice its ... pressure is Through a tube from two to three diameters in • 625 or 5 length , projecting outwards ..... Through a ...
Septimus Norris. NON - CONDENSING , OR HIGH PRESSURE ENGINES . The length of the cylinder should be at least twice its ... pressure is Through a tube from two to three diameters in • 625 or 5 length , projecting outwards ..... Through a ...
Page 146
... pressure . 6.080 IN A CONDENSING ENGINE . Let the pressure on the boiler be .......... Force required to produce motion of the steam in the cylinder ......... ... Loss by cooling in the cylinder and pipes ........ Loss by friction of ...
... pressure . 6.080 IN A CONDENSING ENGINE . Let the pressure on the boiler be .......... Force required to produce motion of the steam in the cylinder ......... ... Loss by cooling in the cylinder and pipes ........ Loss by friction of ...
Page 147
... pressure 3.680 6.320 Steam - power required to drive various kinds of Machinery . A series of experiments instituted by Mr. Davi- son , at Messrs . Truman and Co.'s Brewery , gave the following results : 1st . That an engine which ...
... pressure 3.680 6.320 Steam - power required to drive various kinds of Machinery . A series of experiments instituted by Mr. Davi- son , at Messrs . Truman and Co.'s Brewery , gave the following results : 1st . That an engine which ...
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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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