Printing & Information Machines
Harvard Mark I
The Harvard Mark I was a large electromechanical calculating machine developed with IBM. Relays, rotating shafts and mechanical counters carried out programmed sequences of arithmetic operations.
About this artifact
The Harvard Mark I was a large electromechanical calculating machine developed with IBM. Relays, rotating shafts and mechanical counters carried out programmed sequences of arithmetic operations.
Sources & image credits
Documented image of this machine or its operating principle; see image credits for the original date and subject.
Image: Harvard_Mark_I_Computer_-_Input-Output_Details.jpg
Creator: The original uploader was Daderot at English Wikipedia.
License: CC BY-SA 3.0
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