Original U.S. WWI Era Steel Signal Cannon on Custom Steel Carriage with Rubber Wheels Category_Accessories It fires from a closed

It fires from a closed bolt

used condition but does have heavy pitting and oxidation on all non-brass components

The lock is marked GRIERSON / LONDON and the top of the barrel is marked with the makers full address:

It received further training and the duty of the defense of Oahu

Both have the correct fringe

Original U.S. WWI Era Steel Signal Cannon on Custom Steel Carriage with Rubber Wheels Category_Accessories It fires from a closedOriginal Item: Only One Available. This is a very nice U. S. WWI Century custom steel Signal cannon, with a graduated steel barrel. While the bore is only about 0. 75", these still would give a hearty thump when discharged, perfect for sending short range signals, particularly if used at sea on a small boat. We suspect that this example is not mounted on the original carriage, but was instead placed on it after service. The carriage itself looks to