RCA Model 1 Converter Prototype

[reeferman]

I never cease to be amazed at what pops out of the wood work. ETF just posted color photos of an RCA model 1 converter prototype chassis.
http://www.earlytelevision.org/whatsnew.html
In the B/W photo two chassis are shown in the cabinet, which seems to be more the complete television of the era. In the color photos the chassis has no power transformer and the H/V section lacks a ventilated cage. This appears to be more a converter used with an existing set. Might anyone have an idea as to the differences?

Phil