Porter Chemical Secrets of Chemistry Ad 1933
Porter Chemical Secrets of Chemistry Ad 1933 This is a December 1933 advertisement It is a nice color ad from The Porter Chemical Company of Hagerstown, Maryland, Ad shows a young boy with a chemistry set and it reads, The secrets of Chemistry are easy, if you are a boy chemist. Chemcraft brings you fun with chemistry. In mint condition. Photo is taken through plastic and may show wrinkles or crookedness that is not in the ad. This original magazine tear sheet measures 8 1/4 inches wide by 11 1/2 inches tall.
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