This Day in Geek History: January 24
1925
A two minute long motion picture of a solar eclipse is recorded by the United States Navy from the dirigible Los Angeles from an elevation of about 4,500 feet, about nineteen miles east of Montauk Point, Long Island, New York. It is the first time a dirigible has been used for astronomical observations in the US.
1948
International Business Machines (IBM) dedicates the Selective Sequence Electronic Calculator (SSEC), also known as the Poppa, at the company’s world headquarters in New York City. The SSEC is the first computer to combine electronic computation with stored instructions, and it will be the first computer to run a stored program and the last large electromechanical computers to be built. It contains 13,500 vacuum tubes and 21,000 relays and occupies three sides of a 1,800 square foot room. Among it’s most notable accomplishments will be the calculation of a table of the Moon’s positions which will be used to plot the course of the 1969 Apollo flight. It will be decommissioned in 1952.
1950
Percy LeBaron Spencer is issued a patent for the original microwave oven, which he describes in his application as a “Method of Treating Foodstuffs.” (US No. 2,495,429) However, the first commercial microwave oven, the 1161 Radarange, won’t be marketed to the public until 1954.
1956
As part of the consent decree resulting from the 1949 antitrust case, AT&T and Western Electric are restricted from expanding their businesses into any field outside the telecommunications industry, with the notable exceptions of conducting research.
1964
The International Business Machines (IBM) Data Processing Division (DPD) introduces the IBM 7770 Audio Response Unit, which makes data within a computer available over the telephone.
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The television show The A-Team begins its first season on the NBC.
Charles Babbage’s son, Henry Provost Babbage, uses the mill portion of the
The first atomic submarine, the