George Westinghouse: Fabulous InventorDodd, Mead, 1943 - 235 halaman |
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Halaman 46
... device worked beautifully on paper , it became impracticable when confronted with the weight and pressure of a real train . He , therefore , set his device for a steam pressure brake aside . Next he approached the problem from a new ...
... device worked beautifully on paper , it became impracticable when confronted with the weight and pressure of a real train . He , therefore , set his device for a steam pressure brake aside . Next he approached the problem from a new ...
Halaman 98
... device reduced the serial action of the brakes on a fifty - car freight train to two seconds ! The engineer of such a train could bring it to a stop while speed- ing at forty miles an hour down a steep grade in less than half its own ...
... device reduced the serial action of the brakes on a fifty - car freight train to two seconds ! The engineer of such a train could bring it to a stop while speed- ing at forty miles an hour down a steep grade in less than half its own ...
Halaman 115
... device which effectively turned on or off the gas entering a home or mill . Consisting of a cut - off valve arrangement , the device included an automatic feature which made it impossible for gas to escape into a building because of a ...
... device which effectively turned on or off the gas entering a home or mill . Consisting of a cut - off valve arrangement , the device included an automatic feature which made it impossible for gas to escape into a building because of a ...
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A VISIONARY IN SHORT PANTS | 1 |
HE CAN WHO THINKS HE | 2 |
A NURSLING OF IMMORTALITY | 3 |
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