[master22nl]

hy, this is suppose to be ex dutch/belgium army,
the transport box says it,s for the 50 cal.
but... used in a vehicle, ore just on the gun for field use
who knows, please check the pic,s and let me know
thanks guy,s

 

[emmagee1917]

Early night vision device . Post WW2.
http://www.cryptomuseum.com/crypto/philips/usfa.htm
https://www.nightvisionforum.eu/thread-249.html
http://www.nightvisionforums.com/viewtopic.php?f=3&t=4891
Not much out there .
Chris