ually Polytechnic School, and Captain Nicholas Nevakhovitch, of strong, disregarding the slight variations in the metal. To all the Russian Legation. The exhibition lasted about four the machines there are counters attached for registering the hours, including the testing of a piece of Krupp's cast… … back, then again twisted, and so on; or it can be aUowed to Fig. 2.-NEW FOLDING BOAT. come entirely back to its natural position; or, finally, the machine can be so arranged as to twist first in one direction number of revolutions made by the ma':liinery is overSO,000,- and then in the reverse.…
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