Watch a 1939 demonstration of Voder, the world's first speech synthesizer, then try to operate an online recreation

The Voder, developed by Bell Labs, is recognized as the world's first speech synthesizer (previously at Boing Boing). Played like a musical instrument, performance required such skill and experience that it took a year to train an operator. The video below, from 1939, shows Helen Harper at work. — Read the rest