R-390A and CV157 SSB Adaptor

Here is the wonderful R-390A hooked up to a CV157 SSB Adapter. This adapter is an early attempt of adding SSB to the R-390A , it features a multitude of controls including AFC. Cool to look at and  a Fantastic piece of 'art' from the 50's.

• #science_technology
• #r_390a
• #cv157
• #collins
• #ssb