l, Burt and McCollum and, latterly, asthe Wallace, was originally introduced in theArg>ll car—a Scottish production^as far back as 1911.Although it has been continuously used in that make ofpassenger car from that time, only during the past twoor three years has it made headway in other… … I atMAlSTFUUyOPEN Fig. 1—Diagram showing development of ports and their positions during cycle of the Wallace single-valve engine and as a result this valve design has been adopted andis now being made on a commercial basis for passengercars, trucks, motor cycles, aRricultural tractors,…
Automobiles · Aeronautics
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