Norris's Hand-book for Locomotive Engineers and Machinists ...H. C. Baird, 1854 - 302 σελίδες |
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Σελίδα 136
... heat ... 13,619 851.2 0.493 at 60 deg . 13,580 848.8 0.491 " " at 212 deg . 13,375 836.8 0.484 Nickel , cast .... 7,807 488.0 0.282 ore , called Kupper- nickel , of Saxe .... 6,648 415.5 0.240 " " " " of Bohemia .. 6,207 388.0 0.225 ...
... heat ... 13,619 851.2 0.493 at 60 deg . 13,580 848.8 0.491 " " at 212 deg . 13,375 836.8 0.484 Nickel , cast .... 7,807 488.0 0.282 ore , called Kupper- nickel , of Saxe .... 6,648 415.5 0.240 " " " " of Bohemia .. 6,207 388.0 0.225 ...
Σελίδα 178
... heat ; but 40 zinc to 60 copper are the proportions preferred . Large bells - 4 oz . to 5 oz . of tin to 1 lb. of copper . Tough brass for engine work - 11⁄2 lb. tin , 11 zinc , and 10 lbs . copper . Brass for heavy bearings - 21 oz ...
... heat ; but 40 zinc to 60 copper are the proportions preferred . Large bells - 4 oz . to 5 oz . of tin to 1 lb. of copper . Tough brass for engine work - 11⁄2 lb. tin , 11 zinc , and 10 lbs . copper . Brass for heavy bearings - 21 oz ...
Σελίδα 206
... heating it , and the internal cylinder being first turned too large , was thus powerfully compressed . The inner cylinder was partly filled with pewter , and a steel piston being fitted to the bore , a pressure of 972 tons was put on ...
... heating it , and the internal cylinder being first turned too large , was thus powerfully compressed . The inner cylinder was partly filled with pewter , and a steel piston being fitted to the bore , a pressure of 972 tons was put on ...
Σελίδα 222
... heat . There is no good reason why the furnace should not be nearly as long as the boiler : it would then resemble the furnace of a marine boiler , and be as manageable . RULE . - To find the area of fire - grate . - Multiply the ...
... heat . There is no good reason why the furnace should not be nearly as long as the boiler : it would then resemble the furnace of a marine boiler , and be as manageable . RULE . - To find the area of fire - grate . - Multiply the ...
Σελίδα 223
... heating surface . In the usual construction of the locomotive boiler it is obvious that we can only consider four of the six faces of the inside fire - box as effective heating surface , viz . the crown of the box , and the three ...
... heating surface . In the usual construction of the locomotive boiler it is obvious that we can only consider four of the six faces of the inside fire - box as effective heating surface , viz . the crown of the box , and the three ...
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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