[Milsurplus] A suite deal?

[Ray Fantini]

The SRR-13 use to be one of my favorite radios, have talked with a
engineer who did some of the original work on the set and he supplied me
with a box of steel arms to replace the pot metal ones. I always thought
the damage occurred from people overtorking the hex screws and snapping
the arms then, I know I broke a couple that way. also was always amazed
by the amount of drift the HFO had. but do have to admit the film
display was fun, always thought it was strange how several Russian
radios and the SRR family used the same type of projection schemes, also
the same idea of pot metal compartments for different stages of the
radio. and thoes solder in peanut tubes. What was the first country to
use the micro printed or film projection system on a mass produced
radio?
Ray Fantini KA3EKH