Date: | 1915 |
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Description: | A group of students and a teacher are sitting at desks in a classroom while listening to a lesson on the dangers of house flies. Agricultural lecture chart... |
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: | Letterhead of Aerial Blight Control, Inc., with a man using a hoe while a crop duster sprays the field. Farm buildings and clouds are seen in the distance.... |
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