r envelope is filled immersed in a solution of cal- with air by means of a blower cium chloride to remove the driven from the motor. Dur- remaining traces of the soda. ing the airship's flight the air It is desirable that this latter is allowed to pass down again chemical should be entirely through… … der and ballast are sup- under fluctuating climatic THE SECOND ASCENT OF STEVENS' AIRSHIP AX MANHATTAN BEACH. ported. From our illus- conditions, is waterproof, tration it will be seen that and is a complete electric the motor is placed ap- insulator. The remark- proximately in the middle able…
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