Guess what this is a photo of!

The friendliest place on the web for anyone that enjoys cooking.
If you have answers, please help by responding to the unanswered posts.
its the dudes who found out about electromagnetism. dont remember there names but they helped with E=MC^2. either that or its a tuning fork and it produces harmonic frequencies which come out the round end..
Not to my knowledge. It is only 1 person given credit to this device.
 
Ok guys, what is this? :devilish:

Mystery1.jpg
 
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