George Westinghouse: Fabulous Inventor |
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Halaman 129
Direct current limits you to low voltages and that means distribution of electricity within a short radius of your generating system . " " Do you mean you would like to find a way to send out electricity by other means than direct ...
Direct current limits you to low voltages and that means distribution of electricity within a short radius of your generating system . " " Do you mean you would like to find a way to send out electricity by other means than direct ...
Halaman 229
Means for Detecting Leaks in Gas Mains . Means for Detecting Leaks in Gas Mains . Well - Drilling Apparatus for Oil , Gas , or Water . Regulating Steam Supply to Compound Engines . Regulating Steam Supply to Engines .
Means for Detecting Leaks in Gas Mains . Means for Detecting Leaks in Gas Mains . Well - Drilling Apparatus for Oil , Gas , or Water . Regulating Steam Supply to Compound Engines . Regulating Steam Supply to Engines .
Halaman 230
Means for Detecting Leaks in Gas Mains . Regulator for Gas and Air Supply to Furnaces . ... Means for Detecting and Carrying Off Leakage from Gas Mains . ... Pressure Regulator and Cut - Off . Means for Conveying and Supplying Gas .
Means for Detecting Leaks in Gas Mains . Regulator for Gas and Air Supply to Furnaces . ... Means for Detecting and Carrying Off Leakage from Gas Mains . ... Pressure Regulator and Cut - Off . Means for Conveying and Supplying Gas .
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