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Filter: Subject of inventions
| Date: | 1909 |
|---|---|
| Description: | An unidentified man demonstrates his unsuccessful bird wing-like mechanism, which was part of an experiment in aviation. |
| Date: | 1919 |
|---|---|
| Description: | Inventor, B.L. Boboroff, displays his vote recording device to members of the U.S. House of Representatives. |
| Date: | 11 12 1944 |
|---|---|
| Description: | Emil Andel of the American Bowling Congress demonstrates an automatic foul detector in a bowling alley. |
| Date: | 1873 |
|---|---|
| Description: | Automobile made by J. Wesley Carhart, Methodist minister of Racine, later of Oshkosh, Maryland and Texas. The vehicle was dismantled and the engine used to... |
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