Tech History Today – Feb. 5

In 1850 – The first U.S. patent for push-key operation of a calculating machine was issued to Dubois D. Parmelee of New Paltz, N.Y.

In 1974 – The U.S. space probe Mariner 10 returned the first close-up images of Venus and became the first spacecraft to use a gravity assist from one planet to help it reach another.

In 1999 – The first Victoria’s Secret online fashion show became the first major webcast, attracting an estimated 1.5 million viewers worldwide. Proving even back then the Internet is for shopping.

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