Another one

Another plastic or phenolic box with aluminum top plate accessory for electronics or ham radio that is.  The Eico model 1120 Capacitor Substitution box as seen on fnasebook:



The manual:

https://bama.edebris.com/download/eico/1120/EICO%20Model%201120%20Capacitor%20Substitution%20Box.pdf

BTW, the RETMA in the manual stands for: Radio Electronics Television Manufacturers Association per the EIA wiki:

https://en.wikipedia.org/wiki/Electronic_Industries_Alliance

The model 1120 kit and wired were available in the 1963 Allied catalog:



Inflated kit price:



About 10x, so the wired version would have been about $100 !

Best Regards,
Chuck, WB9KZY
http://wb9kzy.com/ham.htm