Casson, Herbert Newton, 1869- · Chicago, A.C. McClurg & Co. · leaf 160
could scarcelyhave protected itself against the powerful cur-rents of electricity that came into general use in1886, if it had not first found out a way of hidingsafely underground. The first declaration in favor of an under-ground system was made by the Boston companyin 1880. It may be expedient… … ISllOADWAY AND JOHN SniEET, NEW YORK, IN Iniii], SHOWING THEDENSITY OF OVERHEAD WIRES THE HISTORY OF THE TELEPHONE was usually the man of constructive imaginationin emergencies, began in 1882 a series of actualexperiments at Attleborough, Massachusetts, tofind out exactly what could, and what could…
Telephone
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