Computermuseum der Fakultät Informatik
One digit of the display. Visible: 8 pairs of transistors, equals 4 Flip-Flops. In addition 10 transistors, that means the cathode drivers for the Nixie tubes. Matter pf price: Where is the BCD-to-Decimal-decoder? The SN-74141 did not exist yet.
Below the upright posed display block: A ring counter built from cold cathode relay tubes(Thyratrons).back to the computermuseum