A NOVEL CAR AWNING VENTILATOR. TO RING A BELL WITHOUT SWINGING IT. STRAIN'S BELL RINGING MECHANISM. A Simple Method of Regulating the Vacuum In X Ray Tubes. Modern Practice in Interior Wiring. SHILLING'S WIND WHEEL AN IMPROVED VEHICLE WHEEL. COURT'S VEHICLE WHEEL. ‘.‘ BENNETT'S CAR AWNING VENTILATOR., scientific american, 1896-08-29
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