Date: | 1915 |
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Description: | A student is using a pointer to direct the attention of seated students toward a poster labeled "Life Cycle of a Fly" during a lesson on the dangers of hou... |
Date: | |
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Description: | Letterhead of the Acme White Lead & Color Works of Detroit, Michigan, which as part of its business produced insecticides for farm and home garden applicat... |
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Description: | Flies and mosquitoes, and fruits and vegetables with faces drawn on them, are looking with alarm at a man pushing what appears to be a grocery basket with ... |
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