State of Technology…
HP System/3000 Minicomputer, 1972
State of Technology…
IMSAI VDP-40 Microcomputer, 1978
Commodore 4109
Der Commodore Rechner 4109 beherrscht neben den einfachen Rechenfunktionen wie Addition, Subtraktion, Division und Multiplikation auch einige komplexere Funktionen. Das Display besteht aus einer zehnstelligen roten Led-Anzeige. Als Energieversorgung dient eine aufladbare Batterie bzw. ein Netzteil.
Part of a panel switch, Franklin Exchange, Chicago, Illinois, 1938. Dozens of vertical rods are visible on the panel banks. These rods assume various positions, and they move considerable distances to make the appropriate contacts for the call being connected. This is only one section of the complete switch, which, like all large electromechanical telephone switches, filled much of the telephone exchange building.
Digital Equipment Corporation’s PDP-1, 1959.
It only sold 59 units, but it was one of the most influential computers ever designed, as it had a terminal you sat down at instead of requiring a staff to fiddle with punchcards. All 59 units were sold to academia or smaller buyers, so it encouraged tinkering.
![abandonedandurbex:
“The old Padres dugout at Qualcomm Stadium. Now eerily buried under seats. [x-post r/baseball][800 x 451]
”](https://78.media.tumblr.com/f6bbbcce0a823a782212378356f9ac72/tumblr_pb7kg0OdjA1uky4nio1_1280.jpg)
The old Padres dugout at Qualcomm Stadium. Now eerily buried under seats. [x-post r/baseball][800 x 451]
