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