|Figure 1: Core Memory
This view shows one of the first Core Memories, but the circuitry was driven by tubes, or as the British would say, valves. Each box contained up to 16K words (36 bit) of memory.
|Figure 2: The IBM 704 Operator's console
|Figure 3: The IBM 709 Console
The 704 and 709 consoles were generally similar. In the background Tad Kishi is loading a tape on an IBM 727 tape handler. Subsequently, IBM introduced the 729 series of tape handlers. They were markedly better than the 727s. The person by the card reader is Ruth Kilby.