In 1926 – Sam Warner approves the sound-on-disc system created by Western Electric and creates the Vitaphone company to develop the process to add sound to film.

In 1940 – Vladimir Zworykin and his team from RCA demonstrate the first electron microscope. It measured 10 feet high and weighed half a ton achieving a magnification of 100,000x.

In 1964 – The first AT&T picturephone transcontinental call was made between test displays at Disneyland and the New York World’s Fair.

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In 1947 – A report appeared in Billboard magazine of the first public demonstration of the Jerry Fairbanks Zoomar lens. The National Broadcasting Company in New York City conducted the demo and the zoom lens soon became standard TV equipment.

In 1957 – The first non-test FORTRAN program is compiled and run by Herbert Bright, manager of the data processing center at Westinghouse. It produced a missing comma diagnostic. ONce fixed, a successful attempt followed.

In 1965 – “Cramming more components onto integrated circuits” by Gordon Moore was published in Electronics. Moore projected that over the next ten years the number of components per chip would double every 12 months. By 1975 he turned out to be right, and the doubling became immortalized as Moore’s law.

Like Tech History? Purchase Tom Merritt’s Chronology of Tech History at Merritt’s Books site.

In 1925 – The first commercial radio facsimile transmission was sent from San Francisco, California to New York City. It was a photograph showing Louis B. Mayer presenting Marion Davies with a gift.

In 1930 – BBC Radio made the startling announcement that nothing terribly important had happened. Listeners who tuned in to hear the news bulletin were told, “There is no news.” Piano music began subsequently.

In 1986 – Newspapers reported that IBM had become the first to use a megabit chip, a memory chip capable of storing 1 million bits of information, in its Model 3090.

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In 1944 – Harvard University President James Conant wrote to IBM founder Thomas Watson Sr. to let him know that the Harvard Mark I was operating smoothly. It was used in conjunction with the U.S. Navy Bureau of Ships.

In 1967 – The Surveyor 3 spacecraft was successfully launched from Cape Kennedy, Florida on its mission to the Moon. It was the first to carry a surface soil sampling scoop.

In 1970 – The Apollo 13 spacecraft returned safely to Earth after a frightening malfunction caused the team to orbit landing on the Moon and scramble to keep themselves alive.

Like Tech History? Purchase Tom Merritt’s Chronology of Tech History at Merritt’s Books site.