Vol, LX.—No. 13. $3.00 A YEAR. ESTABLISHED 1845. WEEELY. … arranged in pairs, the wires of each pair being twisted about each other. The object of this disposition is to —= = ultimately use the wires in complete metallic circuits, the twisting of each pair being for the purpose of reducing induction. At _ present ground circuits are generally used, so that…
Internet Archive · Public domain (published before 1931). Free to use for anything.
