Telephone Switchboard Plug? WW2 Radio Equipment?

[Indiana Digger]

I found this late yesterday afternoon - at the same location where I found the print block stamp I posted yesterday. I've "googled" this thing, but have no answers. The patent date is September 24, 1912 and it is approximately 3 1/2 inches long. It has dual plugs - one slightly longer than the other. At the back end, it has a small wire that "connects" the plugs. (some sort of a patch plug?)



This appears to be a telephone operater's plug. Go to the "What Is It" section and see the Patent link in Daroofa's post!!!

Thanks!

 

[Skelly607]

Have you posted it in the "what is it?" section?

 

[sniffer]

it looks like an aviation plug for a set of headphones for a pilot