"Science All About Us" by Gerald S. Craig and Agnes Burke. Illustrated by David Hendrickson, Jacob B. Abbott and Harold Sichel. Ginn and Company, 1950.
via Flickr http://flic.kr/p/rkZgu3
From Flickr: “Wipe your rubber boots after playing in the mud puddle” by katinthecupboard
April 24, 2015
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