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| Date: | 1919 |
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| Description: | Inventor, B.L. Boboroff, displays his vote recording device to members of the U.S. House of Representatives. |
| Date: | 03 13 1947 |
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| Description: | June D. (Mrs. Sheldon) Wengel serving as a model for a remote flash tripped via a photo-electric cell invented in Madison by Sheldon Wengel and Howard La C... |
| Date: | 07 31 1941 |
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| Description: | Earl C. Smith, president of the Illinois Agricultural Association, speaks into a microphone at an event to honor Mr. Clarence Dauberman for creating the fi... |
| Date: | 1946 |
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| Description: | Colonel Robert S. Allen, a well-known journalist before World War II, lost his arm while on active duty in Europe. He is seated here with Dr Anton Dvorak, ... |
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