211cc minerva autocyclette
1903 quadrant belt drive
1903 quadrant onbekend
this particular example dates from 1903 and was ahead of its time because the engine was not merely clipped to a bicycleframe but the frame was purpose-built to accommodate the engine. this machine has the characteristics of a real pioneer, surface carburettor, coil ignition, suction inlet valve, hand oil pump and direct drive, to name just a few.
1906 quadrant tourer
1919 quadrant sidecar combination, 565cc
1924 quadrant combination, 624cc