ID#: 8655
Caption: This historic 1929 diagram, which had been digitally enhanced, depicted a cut-away view of a barrel-type milk and cream cooler. This was one of a series of instructional images used by the Minnesota Board of Health, in order to train the state's public health workers. The focus of the images was on protecting dairy food supplies from bacterial contamination.
High Resolution: Click here for hi-resolution image (26.05 MB)
Content Providers(s): CDC/ Minnesota Department of Health, R.N. Barr Library; Librarians Melissa Rethlefsen and Marie Jones
Creation Date: 1929
Photo Credit:
Links: Minnesota Health Department
Minnesota Health Department; R.N. Barr Library
CDC Organization
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Copyright Restrictions: None - This image is in the public domain and thus free of any copyright restrictions.