Tech History Today – June 30

In 1945 – The first draft of a Report on the EDVAC, was published. It discussed the advantages of using just one large internal memory, in which instructions as well as data could be held.

In 1948 – Bell Labs introduced the point-contact transistor demonstrated by its inventors, John Bardeen and Walter Brattain at a press conference in Murray Hill, NJ.

In 1948 – The FCC authorisation of recording devices in connection with interstate or foreign telephone service went into effect. Users of the service had to be given adequate notice including a tone warning signal at regular intervals.

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