I seem to recall that the (very impressive) light panels on the larger IBM 360 machines included lights for the real-time clock, and the leftmost lights were only ever turned on during "lamp test" mode, since the clocks (probably) never made it that far. Perhaps someone else remembers the details better than me. At 04:50 PM 2/11/2005, R. William Gosper wrote:
Maybe Google or somebody could commission a children's museum exhibit in the form of Ganson's futernity machine extended to a length of fifty 100:1 gearboxes. The boxes would be labeled with the powers of 10 and Conway names, and signs would label the first few shafts with, e.g., "x turns per second," "x turns per minute," ..., "... years," "... millennia," galactic rotations,..., solar nova consumes Earth, universe runs out of gas (with a gratuitous universal joint as an inside joke), ..., googol. --rwg ANCESTORED SECOND-RATE TERASECOND STREAMLINES RAIMENTLESS ETERNALISMS