 | Mines and mineral resources - 1883 - 586 pages
...be buried in permanently damp soil ; hence proximity to rain-water pipes and to drains is desirable. It is a very good plan to make the conductor bifurcate...following methods for securing the escape of the lightning to the earth. A strip of copper tape may be led from the bottom of the rod to the nearest gas or water... | |
 | George James Symons - Lightning conductors - 1882 - 302 pages
...buried in permanently damp soil ; hence proximity to rain-water pipes, and to drains, is desirable. It is a very good plan to make the conductor bifurcate...into the earth. A strip of copper tape may be led Prom the bottom of the rod to the nearest gas or water main — not merely to a lead pipe — and be... | |
 | George James Symons - Lightning conductors - 1882 - 322 pages
...buried in permanently damp soil ; hence proximity to rain-water pipes, and to drains, is desirable. It is a very good plan to make the conductor bifurcate...the following methods for securing the escape of the lightuing into the earth. A strip of copper tape may be led from the bottom of the rod to the nearest... | |
 | Engineering - 1882 - 536 pages
...desirable. It is a very vood plan to bifurcate the conductor close below the surface of the ground, and to adopt two of the following methods for securing the escape of the lightning into the eanh : (1) A strip of copper tape may be led from the bottom of the rod to a gas or water main— not... | |
 | Agriculture - 1906 - 1580 pages
...buried in permanently damp soil; hence proximity to rain-water pipes, and to drains, is desirable. It is a very good plan to make the conductor bifurcate...the following methods for securing the escape of the lighting into the earth. A strip of copper tape may be led from the bottom of the rod to the nearest... | |
 | Donald A. Campbell - 1883 - 270 pages
...desirable. It is a very good plan to bifurcate the conductor close below the surface of the ground, and to adopt two of the following methods for securing the escape of the lightning into the earth : — (1) A strip of copper tape may be led from the bottom of the rod to a gas or water main (not... | |
 | Royal Society of Victoria (Melbourne, Vic.) - Science - 1886 - 402 pages
...be buried in permanently damp soil ; hence proximity to rain-water pipes and to drains is desirable. It is a very good plan to make the conductor bifurcate...following methods for securing the escape of the lightning to the earth. A strip of copper tape may be led from the bottom of the rod to the nearest gas or water... | |
 | Sir Oliver Lodge - Lightning conductors - 1892 - 606 pages
...always under the impression that drains produce dryness in soils. Again, in the same rule we find, ' a strip of copper tape may be led from the bottom...nearest gas or water main, not merely to a lead pipe.' The use of the word. mere/// is probably not intended, as any connection to a soft metal pipe is deprecated... | |
 | Daniel Kinnear Clark - Mechanical engineering - 1892 - 682 pages
...rain-water pipes, and to drains, is desirable. It is a very good plan to make the conductor bifurcate clost1 below the surface of the ground, and adopt two of...following methods for securing the escape of the lightning to earth. A strip of copper tape may be led from the bottom of the rod to the nearest gas or water... | |
 | Frank Eugene Kidder - Architecture - 1892 - 1058 pages
...desirable. It is a very good plan to bifurcate the conductor close below the surface of the ground, and to adopt two of the following methods for securing the escape of the lightning into the earth : (1) A strip of copper tupe may be led from the bottom of the rod to u gas or water main mot merely... | |
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It is essential that the lower extremity of the conductor be buried in permanently damp soil ; hence proximity to rain-water pipes and to drains is desirable. 
