 | 1891 - 680 стор.
...current around the carbons should they fail to feed properly. 4. Provided with reliable stops to prevant carbons from falling out in case the clamps become...provided with a wire netting around the globe, and a sparkarrester above, to prevent escape of sparks, melted copper, or carbon. Incandescent lamps on series... | |
 | National Electric Light Association. Convention - 1892 - 458 стор.
...with a glass globe surrounding the arc, securely fastened upon a closed base. No broken or cracked globes may be used. 3. Provided with a hand switch,...provided with a wire netting around the globe and a spark-arrester above, to prevent escape of sparks, melted copper or carbon. Incandescent lamps in series... | |
 | Frank Eugene Kidder - 1892 - 1058 стор.
...switch that will shunt the current around the carbons should they fail to feed properly. (d) Must be provided with reliable stops to prevent carbons from falling out in case the clamps become loose. (c) Must be carefully insulated from the circuit in all their exposed parts. (/) Must be provided with... | |
 | Charles M. Davis - 1893 - 162 стор.
...switch, that will shunt the current around the carbons should they fail to feed properly. d. Must be provided with reliable stops to prevent carbons from falling out in case the clamps become loose. e. Must be carefully insulated from the circuit in all their exposed parts. f. Must be provided with... | |
 | 1894 - 622 стор.
...switch, that will shunt the current around the carbons should they fall to feed properly. I. Must be provided with reliable stops to prevent carbons from falling out in case the clamps become loose. 5. Must be carefully Insulated from the circuit in all their exponed parts. 6. Must be, wbere Inflammable... | |
 | Russell Robb - 1896 - 208 стор.
...comply with requirements for switches on hanger-boards as laid down in Section g of Rule 13.] d. Must be provided with reliable stops to prevent carbons from falling out in case the clamps become loose. e. Must be carefully insulated from the circuit in all their exposed parts. / Must be provided with... | |
 | Richard Henry Pierce - 1896 - 234 стор.
...comply with requirements for switches on hanger-boards as laid down in Section g of Rule 13. d. Must be provided with reliable stops to prevent carbons from falling out in case the clamps become loose. e. Must be carefully insulated from the circuit in all their exposed parts. f. Must be provided with... | |
 | Nehemiah Hawkins - 1896 - 568 стор.
...shunt the current around the carbons should they fail to feed properly. (See Definitions.) d. Must be provided with reliable stops to prevent Carbons from falling out in case the clamps become loose. e. Must be carefully insulated from the circuit in all their exposed parts. f. Must be provided with... | |
 | American Institute of Electrical Engineers - 1897 - 710 стор.
...points under all circumstances. 49. Arc Lamps.— (For installation rules, see No. ig.) a. Must be provided with reliable stops to prevent carbons from falling out in case the clamps become loose. 6. Must be carefully insulated from the circuit in all their exposed parts. c. Must, for constant current... | |
 | American Society of Mechanical Engineers - 1898 - 1122 стор.
...points under all circumstances. 49. ARC LAMPS — (For installation rules, see No. 19.) a. Must be provided with reliable stops to prevent carbons from falling out in case the clamps become loose. I. Must be carefully insulated from the circuit in all their exposed parts. c. Must, for constant-current... | |
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Must be provided with reliable stops to prevent carbons from falling out in case the clamps become loose. 
