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Filter: Subject of inventions
| Date: | 11 04 1943 |
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| Description: | Closed ladder against trade shelves at Madison-Kipp Corp., 201-231 Waubesa Street. |
| Date: | 1928 |
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| Description: | Crowd seated on the lawn of Agriculture Hall on the University of Wisconsin-Madison for a ceremony honoring S.M. Babcock, inventor of the butter test. |
| Date: | 1926 |
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| Description: | Dr. Stephen Babcock with an electric centrifuge butterfat tester. |
| 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: | 12 16 1951 |
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| Description: | At left, Lynn Hazelbaker is shown demonstrating the winning entry of the Madison Youth Council's rat bait box building contest built by Edward Ripp, age 14... |
| Date: | 02 23 1955 |
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| Description: | Five scientists wearing lab coats gather around an apparatus in a laboratory. |
| Date: | 1920 |
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| Description: | Outdoor view of a car, built by two University of Wisconsin students, which can be driven remotely. |
| Date: | 09 29 1945 |
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| Description: | Little boy at child's training desk with bench seat. |
| 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: | 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: | 07 02 1946 |
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| Description: | Experimental model steam car, taken from right side, for the Keen Manufacturing Company, 2661 East Washington Avenue. |
| 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: | 07 02 1946 |
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| Description: | Experimental model steam car, taken from left side, for the Keen Manufacturing Company, located at 2661 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: | 03 13 1947 |
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| Description: | Sheldon Wengel and Howard La Court demonstrating a photographer's remote flash with a woman model. |
| Date: | |
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| Description: | Jack Penewell of Madison, originator of the twelve string Hawaiian guitar (or so his business card says), with another musician tentatively identified as T... |
| Date: | 03 24 1947 |
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| Description: | Prototype of "Sure Grip" fishing pole holder for carrying fishing poles on the top or sides of a car. Shows device with an advertising card attached that i... |
| Date: | 12 06 1957 |
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| 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... |
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