Walter Orr Roberts

Building HAO, NCAR, and a Foundation for Scientific Innovation in Boulder

Punch card with rows of typewritten numbers and square holes punched on various number locations. Includes explanation on how to read the data on the card.

High Altitude Observatory

Example of punch card data, 1942

An example of how solar observations were recorded by punch card for transmission to the National Bureau of Standards, which worked to provide research and data on radio communications to the military during World War II. Instructions on how to read the data are included as well. Read a brief history of punched cards and their use in data operations from weaving to computing.

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