Here is a lead to DIELECTRIC PROD. ENG. CO. Raymond, Maine,
http://www.dielectric.com/broadcast/history.asp
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"Henry Kolesnik" wrote in message
. com...
At the Ada hamfest I got a DIELECTRIC PROD. ENG. CO. INC Raymond, Maine,
Smith Chart Impedance Plotter, Type No. 100P. It was in a nice wooden
box,
no accesories but included a 1971 gov't invoice of $1125.00 transferring
it
from Ft. Belvoir to Kelly AFB. I've put a couple of pix up at
alt.binaries.pictures.radio. I haven't opened it up yet and nothing on
Google. Any info apprecaited.
tnx
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73
Hank WD5JFR