Glass behind glass: here's a guy testing kenotron rectifier tubes the old-fashioned way. From Radio Craft, May 1947.
Now that's what we call point-to-point wiring! Here's a 1930 Courtenay Junior radio, made in New Zealand by William Marks. It utilized a crystal radio, a rectifier and two power tubes, and connected to an external speaker. Courtesy of Wikimedia Commons/Essentialtech.
How many left-handed electric guitarists were around in 1923? How could she not fall for him? From Radio News, May 1923.
Looking at cassette decks like this Harman/Kardon CD391 makes us nostalgic. It was made from 1983 to 1990 and is certainly one of the more elegant-looking devices of its kind. Courtesy of Wikimedia Commons/Retired electrician.
And we thought alnico magnets were only good for loudspeakers. Not according to this General Electric ad from 1950!
