Getting to the Point-to-Point

Getting to the Point-to-Point

Written by Frank Doris

 

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!

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