Double Pole Double Throw Switch
by damauk - uploaded on November 8, 2013, 6:42 pm
Illustration taken from "THE RADIO AMATEUR'S HAND BOOK" 1922.
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- electrical electronics switch vintage by fb knife circuit
- Safe for Work?
- Yes
by damauk - uploaded on November 8, 2013, 6:42 pm
Illustration taken from "THE RADIO AMATEUR'S HAND BOOK" 1922.
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