Date: | 1926 |
---|---|
Description: | Dr. Stephen Babcock with an electric centrifuge butterfat tester. |
Date: | 02 17 1913 |
---|---|
Description: | Portrait of Thomas Alva Edison in his lab where he worked on his "talking moving machine." |
Date: | 02 23 1955 |
---|---|
Description: | Five scientists wearing lab coats gather around an apparatus in a laboratory. |
Date: | 12 04 1957 |
---|---|
Description: | Professor Verner Suomi of the University of Wisconsin meteorology department and leader of a university team building one of the U.S. satellites, is shown ... |
Date: | 12 06 1957 |
---|---|
Description: | The small black sensor on the end of the antenna of a model Vanguard satellite, will detect differences in radiation as the satellite passes over the earth... |
If you didn't find the material you searched for, our Library Reference Staff can help.
Call our reference desk at 608-264-6535 or email us at: