ESTABLISHED 1845. PUBLISHED WEEKLY AT TERMS FOR THE SCIENTIFIC AMERICAN. (Established 1845.) The Scientific American Supplement (Established 1876) Building Edition of Scientific American. (Established 1S85.) Export Edition of the Scientific American (Established 1878) NEW YORK SATURDAY APRIL 10 1897. Contents. TABLE OF CONTENTS OF Scientific American Supplement No. For the Week Ending April i 1897. PAGE A BILL TO PROTECT INVENTORS. THE NEW COMMISSIONER OF PATENTS. RELATION OF THE GOVERNMENT TO THE PATENTS OF NAVAL OFFICERS. AMENDMENTS TO THE COPYRIGHT LAW., 1897-04-10
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