I'm also curious as to whether one can identify the GE film chain cameras in these pictures, from Dennis Degan, taken in 1978 (the cameras as shown on the right in each one):
All I know is that former CBS technicians who frequent the CBS Retirees website (where these pics are featured) have said the Broadcast Center in New York (where the photos were taken) used "4V" cameras, suggesting they'd possibly be PE-24's. But the top looks a little earlier in make than the model as shown in the 1965 ad.