This Day in Geek History: January 28
1878
The first commercial telephone exchange is the world is installed in New Haven, Connecticut to serve twenty-one subscribers connected by a single strand of iron wire. For the first six weeks, the exchange will not be operated at night. The first experimental message sent over the system is “Ahoy, ahoy.” The first operator is George W. Coy. A Bell franchise had been awarded for New Haven and Middlesex Counties to Coy on November 3, 1877, paid for by incorporating the system into a company with two financial partners. Coy improvised the first crude switchboard, building it from carriage bolts, handles from teapot lids and bustle wire. The concept of interconnecting phone wires had been tried before by three other men, but none of them had operated commercially. Click here to view the original patent application for the telephone exchange.
1930
Austrian-Hungarian physicist Dr. Julius Edgar Lilienfeld is issued a patent in Canada for the first solid-state amplifying transistor.
1952
The Bank of America and SRI sign a contract for the development, construction, and testing of a pilot model Electronic Recording Machine – Accounting (ERMA) to provide service to the bank’s twelve branches at a cost of US$850,000 over four years, with an additional $25,000 for subcontracts. However, engineers will later estimate that the grand total of the project was closer to US$10 million.
The EDVAC, one of the earliest electronic computers, runs its first production program.
1958
Construction begins on the first privately owned thorium-uranium atomic reactor in Buchanan, New York. The Consolidated Edison Company’s Indian Point 1 nuclear generating station is the plant designed to utilize uranium-235 supplemented with thorium-232. It will be built at a cost of one hundred million dollars on the former site of an amusement park. It will produce 275,000kW of power for New York City. It will be decommissioned on October 31, 1974 due to a lack of an emergency cooling system for the reactor core.
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1915