Douglas 1914 2 ¾ HP 347 cc s.v. flat twin “ Model U “ frame# 14797 engine # 15208 The brothers William and Edward Douglas founded the Douglas Engineering Company in Bristol in 1882. Initially doing blacksmith work, they progressed to foundry work, and then acquired the flat twin design of Joseph Barter, the founder ... Read moreDouglas 1914 2¾hp 350cc 2 cyl sv 2712