| Charles M. Davis - 1893 - 162 стор.
...the ground, and the room in which they are placed be practically air-tight, except that it shall be thoroughly ventilated to the outdoor air, if possible, through a chimney or flue. 34. PRIMARY CONDUCTORS— a. Must each be heavily insulated with a coating of moisture-proof material... | |
| George H. Kimber - 1896 - 80 стор.
...ground and the inclosure in which they are placed must be practically air-tight, except that it shall be thoroughly ventilated to the outdoor air, if possible,...chimney or flue. There should be at least six inches air space on all sides of the converter. 35. PRIMARY CONDUCTORS: a. Must each be heavily insulated... | |
| Earle Abbott Merrilol - 1896 - 232 стор.
...the ground, and the room in which they are placed be practically air-tight, except that it shall be thoroughly ventilated to the out-door air, if possible, through a chimney or flue. 35. PRIMARY CONDUCTORS:— a. Must each be heavily insulated with a coating of moisture-proof material... | |
| Nehemiah Hawkins - 1896 - 570 стор.
...the ground, and the room in which they are placed be practically air-tight, except that it shall be thoroughly ventilated to the out-door air, if possible through a chimney or flue. 35. PRIMARY CONDUCTORS : a. Must each be heavily insulated with a coating of moisture-poof material... | |
| Earle Abbott Merrill - 1896 - 232 стор.
...the ground, and the room in which they are placed be practically air-tight, except that it shall be thoroughly ventilated to the out-door air, if possible, through a chimney or flue. 35. PRIMARY CoNDUCTORS: — a. Must each be heavily insulated with a coating of moisture-proof material... | |
| Richard Henry Pierce - 1896 - 234 стор.
...the ground, and the room in which they are placed be practically air-tight, except that it shall be thoroughly ventilated to the out-door air, if possible through a chimney or flue. 35. PRIMARY CONDUCTORS: — a. Must each be heavily insulated with a coating of moisture-proof material... | |
| Russell Robb - 1896 - 208 стор.
...the ground, and the room hi which they are placed be practically air-tight, except that it shall be thoroughly ventilated to the out-door air, if possible through a chimney or flue. Any explanation of alternating currents and of the laws regulating their action requires so technical... | |
| American Institute of Electrical Engineers - 1897 - 710 стор.
...ground and the inclosure in which they are placed must be practically air tight, except that it shall be thoroughly ventilated to the outdoor air, if possible,...chimney or flue. There should be at least six inches air space on all sides of the transformer. 34. Car Wiring— a. Must be always run out of reach of... | |
| American Society of Mechanical Engineers - 1898 - 1120 стор.
...ground and the inclosure in which they are placed must be practically air-tight, except that it shall be thoroughly ventilated to the outdoor air, if possible,...chimney or flue. There should be at least six inches air space on all sides of the transformer. 34. CAR WIRING — a. Must be always run out of reach of... | |
| Francis Bacon Crocker - 1901 - 528 стор.
...ground, and the inclosure in which they are placed must be practically air-tight, except that it shall be thoroughly ventilated to the outdoor air, if possible,...chimney or flue. There should be at least six inches air space on all sides of the transformer. :>7. Series Lamps — a. No system of multiple-series or... | |
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