Princeton Six transistor radio

c. 1960

Many companies used styles and technologies that mimicked RCA transistor radio -- this example is even named for the location of the Sarnoff Research Laboratory (and the university).

RCA transistor radio

c. 1975

This red, white, and blue transistor radio was the last such set that RCA ever produced. Its patriotic colors foreshadowed the United States bicentennial.

RCA camera tube envelope type 5820A

c. 1950

Image orthicon tube, a broadcast TV tube that was standard equipment in the post-WWII period.