解説Harvard Mark I Computer - Input-Output Details.jpg
Harvard-IBM Mark I Computer, detail of Input/Output and control. This machine is in the Cabot Science Building, Harvard University, Cambridge, Massachusetts. Photograph taken by me, July 2005.
2005-07-04 16:38 Daderot 2560×1920×8 (1031825 bytes) {{GFDL}}Harvard-IBM Mark I Computer, detail of Input/Output and control. This machine is in the Cabot Science Building, Harvard University, Cambridge, Massachusetts. Photograph taken by me, July 2005.
{{Information |Description=Harvard-IBM Mark I Computer, detail of Input/Output and control. This machine is in the Cabot Science Building, Harvard University, Cambridge, Massachusetts. Photograph taken by me, July 2005. |Source=Originally from [http://en.