1. A VEHICULAR TIPPLER COMPRISING A FRAME ROTATABLE ABOUT A LONGITUDINALLY EXTENDING HORIZONTAL AXIS, A FIRST LONGITUDINAL WALL RIGID WITH SAID FRAME, A SECOND LONGITUDINAL WALL ON SAID FRAME TRANSVERSELY SPACED FROM SAID FIRST WALL AND MOVABLE RELATIVELY THERETO, A PLATFORM DISPLACEABLY CARRIED ON SAID FRAME BETWEEN SAID WALLS, SAID PLATFORM BEING PROVIDED WITH VEHICLE-SUPPORTING MEANS, FIRST OPERATING MEANS FOR TRANSVERSELY DISPLACING SAID PLATFORM ON SAID FRAME TOWARD SAID FIRST WALL UNTIL A VEHICLE CARRIED THEREON ABUTS SAID FIRST WALL, SECOND OPERATING MEANS FOR TRANSVERSELY DISPLACING SAID SECOND WALL TOWARD SAID FIRST WALL UNTIL SAID SECOND WALL ABUTS SAID VEHICLE, THEREBY BRACKETING THE LATTER BETWEEN SAID WALLS, CLAMPING MEANS ON SAID WALLS DISPLACEABLE THEREON FOR ENGAGING THE VEHICLE SO BRACKETED FROM ABOVE, THIRD OPERATING MEANS FOR LOWERING SAID CLAMPING MEANS INTO ENGAGEMENT WITH SAID VEHICLE, AND FOURTH OPERATING MEANS FOR SO ROTATING SAID FRAME WITH THE VEHICLE THUS BRACKETED AND ENGAGED THAT SAID VEHICLE COMES TO LIE ON SAID FIRST WALL.