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Filter: Categories of Wisconsin Historical Images
Filter: Subject of Science
Filter: Creator Name of Boyum, Sid
Filter: Type of Drawing
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| Description: | Two barefoot men are standing and looking at a dilapidated outhouse, which has a sliding board for a seat extending out of the sides of the outhouse. The b... |
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| Description: | A man is standing on the left next to an outhouse which has been connected to machinery. The caption below reads: "This built in service unit increased our... |
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| Description: | Illustration art of candling an egg. On a black background, the bright flame at the end of a tapered candle on the left illuminates a right hand holding up... |
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| Description: | Illustration showing the relationship of film speed, shutter speed, and aperture in photography. |
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| Description: | Sid's illustration showing the range of infrared and ultraviolet radiation and the color sensitivity of Panchromatic and Ortho films compared to human visi... |
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| Description: | Sid's illustration showing the relationship between film, a camera lens and the light controls for aperture and shutter speed in photography. |
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