Typed caption: "Picture 25. A view showing the gas-filled tubes that rectify the D.C. power for the ENIAC. The right hand cabinet contains the power supplies for operating the test bench, a unit that is used for repairing and testing plug-in...
Written caption: "A rear view of 2 accumulators of the ENIAC showing the tubes' plug-in chassis and transformers. The tubes in the upper portion are in removable chassis of 28 tubes each, arranged in vertical columns. The bottom group of tubes are...