School Wall Chart: Our Water Supply (a)

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Title: Our Water Supply Published and copyright 1955 by W.M. Welch Manufacturing Company, 1515 Sedgwick Street, Chicago 10, Illinois, USA Description: Informational wall chart from the 1950s detailing how a city purifies and distributes water to residents. With colorful illustrations to accompany detailed descriptions of the various processes, this poster is great for any and all decor purposes. Condition: Great, minimal to no visible damage. One of two copies available. This poster is on paper, but please note that we offer linen-backing for an additional cost.Email us at [email protected] for more details. Show more