TABLE OF CONTENTS OF Scientific American Supplement For the Week Ending January 29 1898. PAGE THE APPOINTMENT OF A COMMISSIONER OF PATENTS. URGENT NEED FOR LARGER PATENT OFFICE APPROPRIATIONS., 1898-01-29
TABLE OF CONTENTS OF Scientific American Supplement For the Week Ending January 29 1898. PAGE THE APPOINTMENT OF A COMMISSIONER OF PATENTS. URGENT NEED FOR LARGER PATENT OFFICE APPROPRIATIONS., 1898-01-29
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