One of this month's UK's guitar mags (Guitar World?) has a top 10 things-you-should-know-about-JE. He started the recording session for My Generation on a Danelectro, and broke it. He then went out and bought three basses just to be on the safe side. The final cut was done on a Precision.
Now here's the rub: legend has it that the earlier solos were a lot more elaborate than the one we all know and love.