The Technical World, Volume 1American school of correspondence at Armour Institute of Technology, 1904 |
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Page 20
... stroke of the engine be represented by the area A B C D E. If the rectangle F G DE be drawn , having an equal length and the same area , then the mean effective pressure will be represented by the height E F. Let E D be the normal back ...
... stroke of the engine be represented by the area A B C D E. If the rectangle F G DE be drawn , having an equal length and the same area , then the mean effective pressure will be represented by the height E F. Let E D be the normal back ...
Page 21
... stroke will be represented by the area I J DE ; and , to offset this , the line of initial pressure must be raised to such a height that the area A KLM C B will equal the area I J D E. The re- quired increase in boiler pressure for off ...
... stroke will be represented by the area I J DE ; and , to offset this , the line of initial pressure must be raised to such a height that the area A KLM C B will equal the area I J D E. The re- quired increase in boiler pressure for off ...
Page 28
... stroke , to stop and start all feeds simultaneously , and to change from coarse to fine feed or vice versa , without stopping the planer . The cross- rail is raised and lowered by power , and is of extra length so that either of the two ...
... stroke , to stop and start all feeds simultaneously , and to change from coarse to fine feed or vice versa , without stopping the planer . The cross- rail is raised and lowered by power , and is of extra length so that either of the two ...
Page 29
... stroke . ELECTRIC TRACTION ON CANALS T HE field which electric traction on canals opens to a well - managed company is well illustrated by the brief experience of the only commercially operated system of electrical traction on canals in ...
... stroke . ELECTRIC TRACTION ON CANALS T HE field which electric traction on canals opens to a well - managed company is well illustrated by the brief experience of the only commercially operated system of electrical traction on canals in ...
Page 50
... stroke . By regulating the cushion valve , the length of the stroke may be varied con- siderably . B FIG . 2 . The cushion valves are simple valves worked by hand . Figs . 1 and 2 show the by - pass action ; but the actual con- FIG . 1 ...
... stroke . By regulating the cushion valve , the length of the stroke may be varied con- siderably . B FIG . 2 . The cushion valves are simple valves worked by hand . Figs . 1 and 2 show the by - pass action ; but the actual con- FIG . 1 ...
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