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Filter: Categories of Wisconsin Historical Images
Filter: Subject of Heating and ventilation industry
Filter: Creator Name of Unknown
Filter: Subject of manufacturing industries
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| Description: | A group portrait of workers in the American Plumbing & Heating Company. |
| Date: | 12 12 1944 |
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| Description: | Three men stand near ventilation fans for cementing machines on the roof of Building #3. |
| Date: | 06 05 1947 |
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| Description: | A view of the duct work in the passenger tire press room on the third floor of Building 7. |
| Date: | |
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| Description: | Letterhead of National Blower Works of Milwaukee, Wisconsin, manufacturers of "Steam Hot Blast Apparatus." On the left is an Uncle Sam figure pointing to a... |
| Date: | |
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| Description: | Memohead of the Nordberg Manufacturing Company of Milwaukee, Wisconsin, an engine manufacturer, with a center image of an engine. Printed by Wilmanns Bros.... |
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