Gibson potentiometer dating Web cam sex film
“1376542” reads 137 (CTS brand), 65 (1965) and 42 (42nd week of the year).
The potentiometers, or variable resistors that are turned to vary the volume or tone, have codes on the back that indicate the week and year they were manufactured.
The four digit codes will have two digits for the last two numbers of the year and two digits for the week of the year.
One problem with potentiometer date codes is that they are often covered up with solder!
Let’s look at the control cavity of this 1967 Gibson Melody Maker D.
Here we can see the braided leads coming from the pickups, an output jack, two orange ceramic disk capacitors, and four round metallic things with codes on the back.