Automatic telephony; a comprehensive treatise on automatic and semi-automatic systems (1921)
Smith, Arthur Bessey, b. 1875, Campbell, Wilson Lee · New York : McGraw-Hill · leaf 238
he busy hour, requiring 38 percent less operators than usual. Practice shows that an operators average load is about 75 per cent of herbusy-hour load. If traffic distribution will enable the busy-hour load to bemaintained, it will add 33 H per cent to the efficiency. This reduces the operator-hours… … Openflo in(-Battery) 5£ Fig. 194.—Automatic traffic distributor, lineswitch and cord circuit. Of course the efficiency estimated above could not be realized where alarge percentage of calls is trunked to other offices, or where the operators workis slowed down by measured service conditions, etc.,…
Telephone
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