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ID#:8477
Description:This historic 1913 photograph depicted the interior of a hypochlorite plant located in Duluth, Minnesota. The image revealed some of the details of the piping and the control box machinery inside the facility. The device was an integral component of the city's water filtration system.
This was one of a series of instructional photographs used by the Minnesota Board of Health to train public health workers. The focus of the images, and the training effort was to promote sound practices involved in protecting potable water supplies from bacterial contamination.
High Resolution: Click here for hi-resolution image (7.67 MB)
Content Providers(s):CDC/ Minnesota Department of Health, R.N. Barr Library; Librarians Melissa Rethlefsen and Marie Jones
Creation Date:1909
Photo Credit:
Links:Minnesota Health Department
Minnesota Health Department; R.N. Barr Library
CDC – Nat. Center for Infectious Diseases; Water-Related Diseases
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Copyright Restrictions:None - This image is in the public domain and thus free of any copyright restrictions. As a matter of courtesy we request that the content provider be credited and notified in any public or private usage of this image.

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