Filipino cannons

[fernando]

With your guys tolerance, let me wonder the reason why two guns of so different universe were modified to serve the same purpose; as if different calibers and dimensions did not make it an ureasonable task.
It certainly required an imense work done by someone skilled; not to raise questions on how those inventions ensure tight gas sealing on the rear plates ... even their bursting; we are talking deflagrating ammunitions here.
On the other hand, it appears inconceivable that a person goes through all this laborious work to set up a work of decoration; yet …