[Milsurplus] navy a-1 receiver usn burau of ships type us/A1 sampson united corp

[Hue Miller]

----- Original Message ----- 
From: "ed sharpe" <esharpe@uswest.net>

Subject: [Milsurplus] navy a-1 receiver usn burau of ships type us/A1 sampson united corp


what is a /....

navy a-1 receiver usn burau of ships type us/A1 sampson united corp

looks like a night vision  monocular or????

-That's not a light-signalling attachment for binoculars, is it?

Re the Earthphone, apparently Germany extensively used
this idea in WWI. I have some book around here, by
a US WWI veteran, of some unit that intercepted such
"wireless" communications.
Hue