Cartoon printed in Motor Cycling on 22nd November 1909"What the inventor of the Wall Autowheel did not anticipate".
Via: ozebook
"A W Wall's first Autowheel had a horizontal engine of 1½" bore and 2" stroke was air-cooled, two-stroke, flat twin in which only one cylinder fired; the other pumped the charge into the active cylinder. The hub contained a flywheel and 6:1 reduction gears.The oil and petrol tank was in the mudguard. Later models used a more conventional motor."
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