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.