PUBLISHED WEEKLY AT No. 361 BROADWAY NEW YORK. 0. D. MUNN. A. E. BEACH. The Scientific American Supplement Building Edition. Spanish Edition of the Scientific American. Contents. TABLE OF CONTENTS OF SCIENTIFIC AMERICAN SUPPLEMENT PATENT OFFICE REPORT FOR 1890. Detecting Olive Oil Butter and Oleomargarine., 1891-02-21

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PUBLISHED WEEKLY AT No. 361 BROADWAY NEW YORK. 0. D. MUNN. A. E. BEACH. The Scientific American Supplement Building Edition. Spanish Edition of the Scientific American. Contents. TABLE OF CONTENTS OF SCIENTIFIC AMERICAN SUPPLEMENT PATENT OFFICE REPORT FOR 1890. Detecting Olive Oil Butter and Oleomargarine., 1891-02-21

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