THE BILL TO INCREASE THE PATENT OFFICE FORCE. 4 Ir 414 NAVAL APPROPRIATION BILL PASSED. RELIEF FOR CUBAN FAMINE SUFFERERS. THE SUBMARINE TORPEDO BOAT. THE WELSBACH PATENT SUSTAINED., scientific american, 1898-04-09
THE BILL TO INCREASE THE PATENT OFFICE FORCE. 4 Ir 414 NAVAL APPROPRIATION BILL PASSED. RELIEF FOR CUBAN FAMINE SUFFERERS. THE SUBMARINE TORPEDO BOAT. THE WELSBACH PATENT SUSTAINED., scientific american, 1898-04-09
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