 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 36by John A. Roebling's Sons Company - 1897 - 73 pagesFull view - About this book
 | Richard Spelman Culley - Cables, Submarine - 1874 - 558 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... | |
 | George Bartlett Prescott - Electricity - 1892 - 656 pages
...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,... | |
 | William Maver (Jr.) - Telegraph - 1892 - 602 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... | |
 | United States. Army. Signal Corps - Military telegraph - 1899 - 170 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... | |
 | William Maver (jr.) - Telegraph - 1903 - 686 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... | |
 | William Maver (jr.) - Telegraph - 1903 - 682 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... | |
 | William Maver - Telegraph - 1909 - 696 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... | |
 | Radio - 1906 - 718 pages
...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... | |
 | Electrical engineering - 1900 - 300 pages
...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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