R6911.19-1 |
R6911.19-2. Written on back:
"Jack Shaeffer, RCA & Joe Sweier, Construction Engineer, RCA, at
main control console in basement RCA Global Communications No-Break System
provided by TMC. Mr. Sweier is reading graph recording of Con Edison
input power. Variations shown on graph are detrimental to computer
operation. No Break System eliminates these fluctuations." |
R6911.19-3. Written on back:
"Battery Bau;es (sic) for 2 operational TMC No-Break Power Systems
installed at RCA Global Communication Center, 60 Broad St. NYC." |
R6911.19-3. Written on back:
"Workers installing batteries for 3rd solid state
"No-Break" System at RCA Global Communications Center at 60
Broad St. NYC." |