Computer modules 12-minute mandelbrot: fractals on a 50 year old ibm 1401 mainframe South africa’s first computers
Computer Modules - IBM, circa 1965
About the computer history museum’s ibm 1401 machines Plugboard accounting machine wires ibm plugging closeup connections programmed form wiring programming Poe apex gige installation plus support management power
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Historical and economic development of computers (part 1)
12-minute mandelbrot: fractals on a 50 year old ibm 1401 mainframeThe heritage of 1950's tax preparation: plugboard programming with an ibm 403Ibm plugboard.
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![IBM plugboard | IBM 513, I believe. Not sure the purpose of … | Flickr](https://i2.wp.com/live.staticflickr.com/8126/8705042961_c1c24c557f_b.jpg)
The plug-board of an ibm 1401 mainframe computer, 1959 : r/engineeringporn
1950's tax preparation: plugboard programming with an ibm 403Apex plus poe-gige-48 installation – trango support Examining the core memory module inside a vintage ibm 1401 mainframe.
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![IBM SAS-Backplane System x3400 M3 - FRU 94Y6670 - YouTube](https://i.ytimg.com/vi/p-OpbiJ3Jns/maxresdefault.jpg)
![Apex Plus PoE-GigE-48 Installation – Trango Support](https://i2.wp.com/support.gotrango.com/attachments/token/mlkvy1hxsbolvuu/?name=PoE-IBM_Wiring.png)
Apex Plus PoE-GigE-48 Installation – Trango Support
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South Africa’s first computers
![The plug-board of an IBM 1401 mainframe computer, 1959 : r/EngineeringPorn](https://i2.wp.com/i.redd.it/5of1teecrbw11.jpg)
The plug-board of an IBM 1401 mainframe computer, 1959 : r/EngineeringPorn
![Bad relay: Fixing the card reader for a vintage IBM 1401 mainframe](https://i2.wp.com/lh3.googleusercontent.com/-zimGuRxGDwY/W65WFMliUJI/AAAAAAABUnY/nz5HEjeVC_og80aA08IMII5hT7YVjCjCwCHMYBhgL/w9999/ibm-1401-opened.jpg)
Bad relay: Fixing the card reader for a vintage IBM 1401 mainframe
![1950's tax preparation: plugboard programming with an IBM 403](https://i2.wp.com/lh3.googleusercontent.com/-uqIv2d37bkk/WO4jKmL5ABI/AAAAAAABB2Y/wYboMugihOA7Q6AUSsBtIv5DFbyV8UGnQCHM/w9999/plugboard-wiring-detail.jpg)
1950's tax preparation: plugboard programming with an IBM 403
![The Heritage of](https://i2.wp.com/www.edwardbosworth.com/MY3121_LectureSlides_HTML/IBM370_Heritage_files/image012.jpg)
The Heritage of
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1950's tax preparation: plugboard programming with an IBM 403
![Historical and Economic Development of Computers (Part 1)](https://i2.wp.com/www.edwardbosworth.com/My5155Text_V07_HTM/MyText5155_Ch01A_V07_files/image045.jpg)
Historical and Economic Development of Computers (Part 1)
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12-minute Mandelbrot: fractals on a 50 year old IBM 1401 mainframe