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" Ibs. each. 7. The wire must be well galvanized and capable of standing the following test : The wire will be plunged into a saturated solution of sulphate of copper, and permitted to remain one minute, and then wiped clean. This process will be performed... "
Wire in Electrical Construction - Page 36
by John A. Roebling's Sons Company - 1897 - 73 pages
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A Handbook of Practical Telegraphy

Richard Spelman Culley - Cables, Submarine - 1874 - 443 pages
...the wire into the solution ; let it remain one minute, and then wipe it clean ; repeat this process four times. If the wire appears black after the fourth...has not been all removed, and that the galvanizing was well performed ; but if it has a copper colour the iron has been exposed, proving that the zinc...
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Electricity and the Electric Telegraph, Volume 2

George Bartlett Prescott - Electricity - 1892
...pieces in each coil. 7. The wire must be well galvanized and capable of standing the following test : The wire will be plunged into a saturated solution...iron is exposed, showing that the zinc is too thin. COMPOUND WIRE. At the present time a great deal of compound wire is coming into use on telegraph lines,...
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American Telegraphy: Systems, Apparatus, Operation

William Maver (Jr.) - Telegraph - 1892 - 563 pages
...about 150 Ibs. each. 7. The wire must be well galvanized and capable of standing the following test : The wire will be plunged into a saturated solution...black after the fourth immersion, it shows that the zino has not been all removed, and that the galvanizing is well done ; but if it has a copper color...
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Regulations for the Operation and Maintenance of United States Military ...

United States. Army. Signal Corps - Military telegraph - 1899 - 160 pages
...pieces in each coil. The wire will be well galvanized, and capable of standing the following test : The wire will be plunged into a saturated solution...the fourth immersion, it shows that the zinc has not all been removed, and that the galvanizing is well done ; but if it has a copper color the iron is...
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American Telegraphy and Encyclopedia of the Telegraph: Systems, Apparatus ...

William Maver (jr.) - Telegraph - 1903 - 656 pages
...about 150 Ibs. each. 7. The wire must be well galvanized and capable of standing the following test: The wire will be plunged into a saturated solution...permitted to remain one minute, and then wiped clean, ^his process will be performed four times. If the wire appears black after the fourth immersion, it...
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American Telegraphy and Encyclopedia of the Telegraph: Systems, Apparatus ...

William Maver (jr.) - 1903 - 656 pages
...about 150 Ibs. each. 7. The wire must be well galvanized and capable of standing the following test: The wire will be plunged into a saturated solution...permitted to remain one minute, and then wiped clean. 'rhis process will be performed four times. If the wire appears black after the fourth immersion, it...
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American Telegraphy and Encyclopedia of the Telegraph: Systems, Apparatus ...

William Maver - Telegraph - 1909 - 563 pages
...saturated solution of sulphate of copper, and permitted to remain one minute, and then wiped clean. 'rhis process will be performed four times. If the wire...iron is exposed, showing that the zinc is too thin." SPECIFICATIONS FOR A TELEGRAPH CABLE FOR AERIAL OR UNDERGROUND USE. No. of conductors as desired. Insulating...
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Wire & Radio Communications, Volume 24

Radio - 1906
...temperature of 68 Fahrenheit, must not exceed the quotient arising from dividing the constant number 4,800 by the weight of the wire in pounds per mile. The...iron is exposed, showing that the zinc is too thin." The following bit of history respecting the ancient manufacture of wire will be read in this connection...
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Telephone Magazine, Volume 16

Fred B. De Land, John C. McMynn, Frederic Auten Combs Perrine, Carl E. Kammeyer - Electric engineering - 1900
...matter of great importance. The following test is used to determine whether it has been properly done: The wire will be plunged into a saturated solution...the fourth immersion it shows that the zinc has not all been removed and that the galvanizing is well done; but if it has a copper color, the iron is exposed,...
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