Emi

[Phenlight]

http://instagram.com/p/XzwDeYC5sN/
This was in a box of bits I brought at a ham fest. Can anyone tell me what it is for?
Thx

 

[mjrippe]

Hard to say from the one photo.  Probably not the same EMI.  Could be a high frequency oscillator (Mc/s = MHz).

 

[ed rees]

I bet its the same EMI. They made all kinds of stuff, even refrigerators. Looks like its from the 40s or so.