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Scientific American, Vol. 94, No. 15 (1906) (1906)

leaf 3

An illustration from Scientific American, Vol. 94, No. 15 (1906), 1906, leaf 3
304 APRIL 14, 1906. … machine is set anew each time when it is to receive 900 feet per nine hours. In use the tool has shown a A NEW MAIL CATCHING AND DELIVERING DEVICE and deliver mail. It will work either forward or back- saving of 300 per cent. The British Naval Depart- ward. ment are employing the tool extensively…

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