Assistant Naval Constructor Watt at the recent meeting of the Society of Naval coils are both in circuit. The current is controlled by BY CHARLES FREDERIC HOLDER, PASADENA, CAL. It is said of certain uatives of South Africa that when Architects and Marine Engineers, and published in the a… … the bridge, or other select- them off. ed station, lighting up dur- This is called mimicry ; the subjects imitating their ing the movement of the surroundings as a protec- door and going out as soon as the door is closed. - tive measure; and that If any of the crew should man has obtained the sug-…
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