In the I Love Lucy Episode Mr. and MRS. TV Show we get a look at a vintage RCA Television camera. On the show the RCA logo on the side appears to have been removed.

Here is an example from a video on Youtube

This picture is of the  RCA TK-11 & TK-31 Television Camera more pictures and information at : http://www.tvcameramuseum.org/rca/tk11-31/tk11p1.html