retro hair dryer

First hair dryer (~1920)

The first telephone pay station in Los Angeles, at 228 S. Spring Street (1899)

Inventor Hugo Gernsback is demonstrating his television goggles (1963)

Telephone Tower in Stockholm. The tower connected about 5000 telephone lines from 1897-1913 (1890s)

The Bennie Railplane (1929)

Testing of 1.4 million volt X-ray machine (1941)

Television set (1948)

Rocket-powered bicycle, Germany (1931)