Date: | 1872 |
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Description: | Lillian Sholes, demonstrating a prototype typewriter invented by her father, Christopher Latham Sholes. |
Date: | 1926 |
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Description: | Dr. Stephen Babcock with an electric centrifuge butterfat tester. |
Date: | 05 13 1938 |
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Description: | International PD-80 Marine power unit developed by the company's Nashville branch. |
Date: | |
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Description: | Detail of clock design by John Muir, showing a book resting on a holder in the shape of a gear. |
Date: | 02 17 1913 |
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Description: | Portrait of Thomas Alva Edison in his lab where he worked on his "talking moving machine." |
Date: | 09 29 1945 |
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Description: | Little boy at child's training desk with bench seat. |
Date: | 11 12 1944 |
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Description: | Emil Andel of the American Bowling Congress demonstrates an automatic foul detector in a bowling alley. |
Date: | 09 29 1945 |
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Description: | Toddler sitting at child's training desk, with lid closed. |
Date: | 09 29 1945 |
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Description: | Young girl seated at child's training desk with top open showing blackboard. |
Date: | 10 08 1953 |
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Description: | Display of Research Products Corporation Filter Fry frying pan covers in a grocery cart. |
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 25 1947 |
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Description: | Metal baby high chair, capable of being disassembled and folded for easy transport. Taken for Halbert M. Wood, WooDick Corporation. |
Date: | 11 04 1943 |
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Description: | Closed ladder against trade shelves at Madison-Kipp Corp., 201-231 Waubesa Street. |
Date: | 04 12 1954 |
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Description: | Workman riveting two filter frames together horizontally. Taken for Research Products, 1011-1015 East Washington Avenue. |
Date: | 04 12 1954 |
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Description: | Workman riveting filter frames together in a L shape, taken for Research Products, 1011-1015 East Washington Avenue. |
Date: | 1931 |
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Description: | Display in the window of the Hudson Bay Company department store in Alberta, Canada, celebrating the centennial anniversary of the reaper's invention. |
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