Abraham van Dam built autocycles and mopeds from 1950 to 1964. Initially the firm used Victoria Vicky engines, changing to HMW around 1953 and also adopting their frames. In 1956 they began using Italian frames and when HMW failed in 1960 they imported FBM Minarelli engines. 1962 saw a change to German engines, and in 1964 moped production ceased.
Sources: Wikipedia NL, Tragatsch p51.
