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I've been collecting buying and selling ES 335/345/355 guitars for 20 years.

I got my first one in 1966 when I was 14 years old. OK Guitars is located at 11 Railroad Street in Kent, CT.

The first three digits are the manufacturer’s code. The fourth digit is the year of manufacture and the last two numbers will be the week of manufacture.

So if the number on your potentiometer is 304728 it is decoded like this: 304 is the Stackpole manufacturer’s number, 7 means 1967 and 28 is the 28 week of 1967.

The guitar is all original except for the whammy bar which came from a later 60's guitar.

Novel non-invasive tactile hearing apparatus and methodology are disclosed which apparatus comprises tactile transmitter contiguously in contact with the skin of the user and, utilizing nerves as opposed to ears, enhances the hearing of those who are hearing-impaired and provides hearing to those who...

Novel non-invasive tactile hearing apparatus and methodology are disclosed which apparatus comprises tactile transmitter contiguously in contact with the skin of the user and, utilizing nerves as opposed to ears, enhances the hearing of those who are hearing-impaired and provides hearing to those who are legally deaf.

transmitting a audio signal of predetermined characteristics to nerve ends in the immediate vicinity of the skin at the placing site and thence along a nerve to the brain at a location where the signal is interpreted as being sound.

Below is a chart of the manufacturing codes for potentiometers.

wherein the carrier signal comprises a pulsed time variant ultrasonic frequency whereby, when combined with the sound signal, creates neural firing from the tactile transmitter to nerve ends adjacent to the skin.

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Here is an example: EIA 606-4-21 would mean the 21st week of 1964.

It is also advisable to add about 6 months to the date to allow for time these parts may have spent in storage.