eaned and oiled, the craft that they are built of very thin steel—only motor that actuates a shaft whose cranks are at right and the stern tube is to be drained out and painted, one-sixteenth inch thick—and that the utmost care is angles. Upon this shaft is mounted the system of or otherwise put… … the bunkers cleared of coal, 4,840 pounds. A complete Fig. 3—HYDROGEN GAS APPARATUS. and the interior of the boat aeronautic plant, consequent- is to be examined throughout, ly, weighs 16,500 pounds, dis tributed between three carriages. pose if necessary. be devoid of paint or other anti-corrosive…
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