0 OPING.:. 5005 655s osase tae ea otc es Pei scdadasereewe Tires or other rubber articles, mold for makin Special Enamel for Electrical Heating Apparatus. sbowing details. Contained in SCIENTIFIC AMERICAN SUPPLEMENT, No, 1158. Price 10 cents, by mail, from BALTIMORE ENAMEL CO., No. 2, cushion, J.…
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