Convention, Volume 18 |
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Halaman 223
... LIGHTNING ARRESTERS AND WHY THEY SOMETIMES FAIL . When the first telegraph lines were installed it was noticed that ... arrester " was con- the structed . It was then supposed that when a Evening Session Lecture by Alexander J Wurts ...
... LIGHTNING ARRESTERS AND WHY THEY SOMETIMES FAIL . When the first telegraph lines were installed it was noticed that ... arrester " was con- the structed . It was then supposed that when a Evening Session Lecture by Alexander J Wurts ...
Halaman 224
... lightning arrester " instruments would be " protected against lightning . " This , however , did not prove to be the case ; the discharges would sometimes pass to earth over the spark gap of the lightning arrester , but not infre ...
... lightning arrester " instruments would be " protected against lightning . " This , however , did not prove to be the case ; the discharges would sometimes pass to earth over the spark gap of the lightning arrester , but not infre ...
Halaman 228
... lightning arresters are used to conduct disruptive discharges to earth . The lightning arrester of to - day , as a protective device , differs from the lightning arrester of the early telegraph in detail only . A simple spark gap , one ...
... lightning arresters are used to conduct disruptive discharges to earth . The lightning arrester of to - day , as a protective device , differs from the lightning arrester of the early telegraph in detail only . A simple spark gap , one ...
Halaman 229
... arrester , causing thereby a short circuit or dangerous . ground on the line . In order to avoid this difficulty , arc rupturing devices are attached to the lightning arrester , which have for their ... lightning arresters is not due to 229.
... arrester , causing thereby a short circuit or dangerous . ground on the line . In order to avoid this difficulty , arc rupturing devices are attached to the lightning arrester , which have for their ... lightning arresters is not due to 229.
Halaman 232
National Electric Light Association. Convention. above described system of choke coils and lightning arresters for ... arrester were made of zinc , the short- circuiting arc , which had heretofore threatened the life of the lightning ...
National Electric Light Association. Convention. above described system of choke coils and lightning arresters for ... arrester were made of zinc , the short- circuiting arc , which had heretofore threatened the life of the lightning ...
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