Complex sentence: In the 1950s and 1960s, Tottenham Court Road and a few of the adjoining streets became well-known for stores selling World War II surplus radio and electronics equipment and all kinds of electro-mechanical and radio parts.
Split into simpler sentences: In the 1950s and 1960s, Tottenham Court Road and a few of the adjoining streets became well-known for stores selling World War II surplus radio and electronics equipment. There were many shops selling all kinds of electro-mechanical and radio parts.