From: utzoo!decvax!harpo!seismo!tiberio
Newsgroups: net.invest
Title: bulb saver
Article-I.D.: seismo.170
Posted: Tue Nov 30 09:14:16 1982
Received: Wed Dec  1 08:05:57 1982

I saw a device like the bulb saver in a small electronics hobby book
i got at radio shark years ago (~1970). They called it a cheapo light
dimmer. Basicly its just a half wave rectifier that turns 120 vac into
approx 80vdc (smooth out the pulses and that what you get). Not very
efficient.