ithout counting. Beneath each tube is a slide mov- small hammer like a door knocker, which permits of decided advantages, this system was defective in some effecting the breakage of the glass, but this has been ing horizontally between two base plates, each slide points. The firemen always had to… … that it is necessary to fight, with which they are re- and repeat this informa- Fig. 2.-MANEUVER OF THE APPARATUS. Fig. l.-NEW FIRE ALARM. spectively connected. tion until a roaring sound When the device is ar- is heard, and which signi- ranged for use in a store, a fies that the firemen have bell…
Apparatus · Munn · Patents · Launches · Scientific American · Miles long · Letters patent · Horse power · Twin screw · Electric launches · Slide valve · Years ago · Electric launch · Largest circulation
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