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Filter: Subject of Science
Filter: Year of 1800-1899
Filter: Year of 1860-1869
| Date: | 1867 |
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| Description: | A diagram of McCormick's cultivator-reaper, which was patented in 1845. The illustration, titled "The Cultivator" depicts a man using a rake to remove the ... |
| 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: | 1863 |
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| Description: | A diagram of a table saw, designed and drawn by John Muir. |
| Date: | 05 1866 |
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| Description: | Engraved view of two men in a train locomotive observing the weighing of pig lead. Several bars of lead are stacked near the scale. |
| 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: | A watercolor illustration of a combined thermometer, hygrometer, barometer, and pyrometer. |
| 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: | 02 1862 |
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| Description: | Tintype of a model gun intended to accompany a patent application. The five-barreled gun, invented by William Bradford, is mounted on wheels. |
| Date: | 02 13 1862 |
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| Description: | Letter describing gun invention and Bradford's intentions for improvements. |
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