Cannons were historically made from wrought iron, cast iron, or bronze.
Small, lightweight, basic cannons, or Culverins, had been used on ships throughout the middle ages. They were generally fired by individuals or two to three men from firing positions on deck. Ships could only have a small number of lightweight cannons because large cannons are very heavy, and a heavy object placed on the deck of a ship will constantly make it unstable. It was not until Gunports were invented around 1501 that ships could rely on full size cannons as a main armament. A gunport is a window, cut
An Outpost of Progress is a tale by Conrad that shows how controls of a civilization are necessary for the sanity of individuals. Two ordinary white men, Kayerts and Carlier have been posted to a distant trading station in the heart of Africa. Their job is to oversee the collection of ivory at the station. In a strange land, with different customs and different people, Kayerts and Carlier are essentially isolated- they depend on each other for any meaningful company.
In this background Conrad exposes how men fall apart if they do not have the strict controls of a society to