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Scientific American, Vol. 87, No. 22 (1902) (1902)
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nforms us that tested satisfactorily on a contin- anyone can operate the machine. uous run of 12 hours duration. He claims for it an ability to There is no question that the lay 500 to 600 bricks per hour. | results achieved in these trials —_—— oo. __. OFFICIAL TRIALS OF OUR have done much to… … ameter. and displaces 74 tons. “ ADDER ” to the first. This will make a As her armament she carries a perfect non-spilling stopper. 8.5 KNOTS AN HOUR. © 1902 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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