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| Date: | 1935 |
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| Description: | Elevated exterior view of Yerkes Observatory. Geneva Lake is in the background, left. Roads and sidewalks cross the sweeping, well tended lawns. The desi... |
| Date: | 1909 |
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| Description: | An unidentified man demonstrates his unsuccessful bird wing-like mechanism, which was part of an experiment in aviation. |
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| Description: | Aldo Leopold, UW Professor of Wildlife Management, posing with binoculars around his neck. He is about to embark on an inspection and bird-watching tour of... |
| Date: | 1863 |
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| Description: | Sketch of John Muir's clock design.The built clock was a combination of scythes, wheels and arrows. A rough bough of burr oak was set upon a base incrusted... |
| Date: | 06 1914 |
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| Description: | The Aerodome, invented by Samuel Langley, Secretary of the Smithsonian Institution, as reconstructed by Glenn Curtiss at Hammondsport. |
| Date: | 07 02 1909 |
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| Description: | Test flight of the bi-plane invented by Ray Zorn of Dayton, Ohio, who later resided in Waukesha, Wisconsin. |
| Date: | 1929 |
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| Description: | View across Observatory Drive of east facade of Science Hall on the University of Wisconsin-Madison campus. |
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| Description: | Dr. Edward Ashael Birge reading a sun machine inside a car. In 1875 Dr. Birge first came to teach natural history at the University of Wisconsin, and remai... |
| Date: | 1917 |
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| Description: | Girl selling vegetables to a customer at vegetable stand along Milwaukee pike. Original caption reads: "The little girl in charge sold over $800 worth of v... |
| Date: | 1912 |
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| Description: | Dr. E.A. Birge in his element, reading an anemometer of the weather data station on Green Lake. |
| Date: | 1906 |
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| Description: | The monoplane glider built and flown by Carl S. Bates of Clear Lake, Iowa. During the previous year Bates had built a bi-plane glider. |
| Date: | 1893 |
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| Description: | Front and back covers of an advertising brochure for the New Empire line of mowers, reapers and grain binders manufactured by J.F. Seiberling & Company. Th... |
| Date: | 07 30 1929 |
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| Description: | Addition to Hydraulics laboratory building at the University of Wisconsin, 660 N. Park Street. Contractor J.P. Cullen & Son. |
| Date: | 03 05 1929 |
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| Description: | Tank moving up the ramp at Hydraulics Laboratory, 660 N. Park Street, at the University of Wisconsin-Madison. |
| Date: | 03 05 1929 |
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| Description: | Tank at Hydraulics Laboratory, 660 N. Park Street, before moving up the ramp. Taken from below showing end of tank, at the University of Wisconsin. |
| Date: | 03 05 1929 |
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| Description: | New tank in place at Hydraulics Laboratory, 660 N. Park Street. Taken from below, at the University of Wisconsin. |
| Date: | 01 09 1928 |
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| Description: | Difference in paint on fences on a state highway. |
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