"Insulating material" Quotes from Famous Books
 ... "perminvar," and a new insulating material, "para gutta," which make possible construction of a telephone cable across the Atlantic to supplement the radio systems, were also described. Actual construction of the cable is expected to be started ...
— Astounding Stories of Super-Science September 1930 • Various
... engines for harbor defense ever known. He also invented a submarine telegraph cable, which he laid and operated with perfect success, in 1843, from Coney Island and Fire Island to the city of New York, and from the Merchants Exchange to the mouth of the harbor. His insulating material consisted of a combination of cotton yarn with asphaltum and beeswax; the whole was inclosed in a lead pipe. This was one of the most successful experiments of the early days of submarine telegraphy, and entitles Colonel Colt to a conspicuous place in ...
— Great Fortunes, and How They Were Made • James D. McCabe, Jr.
... or a switch for a double line is shown in Fig. 44. This is made similar in all respects to the one shown in Fig. 43, excepting that there are two switch blades (A, A) connected by a cross bar (B) of insulating material, and this bar carries ...
— Electricity for Boys • J. S. Zerbe |
