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Filter: Subject of Technology
Filter: Subject of inventions
| 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: | 1872 |
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| Description: | Lillian Sholes, demonstrating a prototype typewriter invented by her father, Christopher Latham Sholes. |
| 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: | 1910 |
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| Description: | The Curtiss Pusher owned by Arthur Pratt Warner of Beloit, the first man to fly in Wisconsin and the first person to purchase an airplane. Slightly below ... |
| Date: | 1950 |
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| Description: | A man sets up a cone-shaped instrument designed to distill fresh water from salt water as he leans out of a small motor boat on the water. |
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| Description: | Rendering of a Thordarson Electical Manufacturing Company product. Chester Thordarson was a Chicago inventor and manufacturer of electical apparatus, famo... |
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| Description: | Rendering of a Thordarson Electical Manufacturing Company product. Chester Thordarson was a Chicago inventor and manufacturer of electical apparatus, famo... |
| Date: | |
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| Description: | Rendering of a Thordarson Electical Manufacturing Company product. Chester Thordarson was a Chicago inventor and manufacturer of electical apparatus, famo... |
| Date: | |
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| Description: | Rendering of a Thordarson Electical Manufacturing Company product. Chester Thordarson was a Chicago inventor and manufacturer of electical apparatus, famo... |
| Date: | |
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| Description: | Rendering of a Thordarson Electical Manufacturing Company product. Chester Thordarson was a Chicago inventor and manufacturer of electical apparatus, famo... |
| Date: | 1863 |
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| Description: | A sketch of mechanical parts for an invention. |
| Date: | 1863 |
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| Description: | A sketch of a thermometer. Quoting from Muir's autobiography "My Boyhood and Youth" he described the thermometer as "made of an iron rod, about three feet ... |
| Date: | 1863 |
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| Description: | Watercolor illustration of a barometer designed by John Muir in his boyhood. |
| Date: | 1863 |
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| Description: | Muir's illustration of a means to record time by use of a star. He titled the drawing "The star hand rising and setting with the sun all the year". |
| Date: | 1863 |
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| Description: | A John Muir sketch of a fancake draught of sawframe with crankshaft in position. Scale two inches per foot. Depth of frame 5 1/2 inches. Speed of cranks... |
| 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: | 1927 |
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| Description: | Front view of "Speck's cotton picker," taken for International Harvester's Engineering Department. |
| Date: | 07 19 1927 |
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| Description: | Left side view of Speck's cotton picker, taken for International Harvester's Engineering Department. |
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