AN IMPROVED HARVESTER. A NEW PUNCHING PRESS. PEERLESS POWER PRESS No. I. Covington lows Threatened. How Mr. Hannay Made his Diamonds., scientific american, 1880-08-07


AN IMPROVED HARVESTER. A NEW PUNCHING PRESS. PEERLESS POWER PRESS No. I. Covington lows Threatened. How Mr. Hannay Made his Diamonds., scientific american, 1880-08-07


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