Dating Big-Bang Cannons - Time Line
Oldest <----> Newest Barrel No fins Sump fins Barrel Small lugs Big lugs Wheels Without ribs Ribs one side Ribs both sides Cannon Colors Black Khaki Olive Drab Black Breech Blocks Wheelie Small Letters Large letters No letters Chargers 15 15AC Without 15AC No model Chagers 10 10AC No model