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Parke, Davis and Company, manufacturing chemists, Detroit, Michigan. Dissecting animal glands

Parke, Davis and Company, manufacturing chemists, Detroit, Michigan. D...

Picryl description: Public domain image of food, dinner, grocery store, eating, 1930s, mid-20th-century United States, free to use, no copyright restrictions.

League of Nation Malaria Investigation Committee, Punjab, India. A typical "tank" in a village, showing water buffalos who spend most of the sunshine hours here as there is no nearby mud wallow. There "tanks" are used by water buffalos, because these animals, lacking sweat glands, could not otherwise stand the noonday heat. The result is a high malaria rate in the village

League of Nation Malaria Investigation Committee, Punjab, India. A typ...

Picryl description: Public domain image related to politics, political campaigns, committee, free to use, no copyright restrictions.

Parke, Davis and Company, manufacturing chemists, Detroit, Michigan. Dissecting the different portions of animal glands

Parke, Davis and Company, manufacturing chemists, Detroit, Michigan. D...

Picryl description: Public domain image of a worker, labor, factory, plant, manufacture, industrial facility, 1930s, mid-20th-century industrial photo, free to use, no copyright restrictions.

Parke, Davis and Company, manufacturing chemists, Detroit, Michigan. Separating outer from the inner portions of the animal glands

Parke, Davis and Company, manufacturing chemists, Detroit, Michigan. S...

Public domain photograph of indoor, interior activity, America in the 1930s, free to use, no copyright restrictions image - Picryl description

Parke, Davis and Company, manufacturing chemists, Detroit, Michigan. Dissecting animals' glands

Parke, Davis and Company, manufacturing chemists, Detroit, Michigan. D...

Public domain photograph of laboratory, scientist, free to use, no copyright restrictions image - Picryl description

Parke, Davis and Company, manufacturing chemists, Detroit, Michigan. Separating the anterior lobe from the posterior lobe of the pituitary glands

Parke, Davis and Company, manufacturing chemists, Detroit, Michigan. S...

Public domain photograph of 1930s America, free to use, no copyright restrictions image - Picryl description

Parke, Davis and Company, manufacturing chemists, Detroit, Michigan. Separating the portions of animal glands

Parke, Davis and Company, manufacturing chemists, Detroit, Michigan. S...

Picryl description: Public domain image of food, dinner, grocery store, eating, 1930s, mid-20th-century United States, free to use, no copyright restrictions.