Thanks, those scans are pretty interesting. So Meagher also created the "dynamic demonstrator," a working radio or TV with its parts spread out on a big board for demonstration purposes. I have seen photos of the radio board, but don't recall seeing the TV version.
http://www.radiomuseum.org/r/rca_dyn...ator_ii_s.html
This company in India still manufactures radio and TV demonstrators!
http://www.crown-electronics.com/dem...on-models.html
Phil Nelson