DOUGLAS types (handelsbenamingen) 2 3/4 2 3/4 H P 2 3/4 HP 2 3/4 PK 2-3/4 HP 2? H.P. 2.75 HP MODEL U 23/4 H P W 23/4 HPW/20 350 350 CC 4 HP 4 PK 4B 4HPB/23 90 PLUS A32 AERO B C 32 BULDOG CW 2 3/4 HP DIXON DRAGON FLY E29 EW FLATTANK G geen handelsbenaming M 20947 MARK V MK V MODEL B MODEL C MODEL J MODEL R MODEL-D SPORT T 35 T.S. T35 TOURING TS TS 23 TS 23 2 3/4 HP TS TWO SPEED W.D. TWIN TYPE B22 W 22 W/21 W20 WD 21 X
