The Boston Electrical Handbook: Being a Guide for Visitors from Abroad Attending the International Electrical Congress, St. Louis, Mo., September, 1904Pub. under the auspices of the American institute of electrical engineers, 1904 - 205 strani |
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Stran 134 - The invention all admired, and each, how he To be the inventor missed ; so easy it seemed Once found, which yet unfound most would have thought Impossible...
Stran 160 - The graduate school (degrees of master of arts, master of science, doctor of philosophy and doctor of science).
Stran 138 - As methods are devised for making the telephone commercially useful over long lines, the advantages of this centralization of management will be still more apparent, as well as the importance to the public of having the business done in large territories under one responsible head, with far-reaching connections Throughout the whole country. To make this service of the highest value u> the people will be complicated enough under one control.
Stran 158 - School, the Divinity School, the Law School, the Medical School, the Dental School, the...
Stran 179 - X-ray equipment in the United States and one of the largest in the world. The Pickers were proud of the reputation and public standing of the Picker enterprise and its products.
Stran 130 - Company began business, there were in the United States only nine cities of more than ten thousand inhabitants, and only one of more than fifteen thousand, without a telephone exchange.
Stran 122 - Telephones were placed at either end of a telegraph line owned by the Walworth Manufacturing Company, extending from their office in Boston to their factory in Cambridgeport, a distance of about two miles. The company's battery, consisting of nine Daniels cells, was removed from the circuit and another of ten carbon elements substituted. Articulate conversation then took place through the wire. The sounds, at first faint and indistinct, became suddenly quite...
Stran 137 - ... is good for a large increase in these lines. Boston, for example, is now in communication with seventyfive cities and towns, including Providence, Worcester, Springfield, Lawrence, Lowell, and other important places. It will take some time yet to get first-rate service in a large network of towns, as the practical difficulties at least equal those which were met in giving prompt connection within the limits of one city, but nothing but experience and tests of various methods are needed to enable...
Stran 120 - ... ohms both together. It would require a battery of many cells in order to operate a Morse sounder through such a resistance. It is as great a resistance as 325 miles of well-insulated telegraph wire. My discovery was that I could work my apparatus with one cell of battery through this resistance. I am sure by substituting a permanent magnet for the pole of the electromagnet, I could work it without a battery at all.
Stran 158 - In matters of administration three of the departments of the university are closely united. HARVARD COLLEGE, the LAWRENCE SCIENTIFIC SCHOOL, and the GRADUATE SCHOOL are under the charge of the Faculty of Arts and Sciences...