48×501
48x501 refers to a specific type of artillery projectile, commonly known as a 48-pounder, with a length of 501 millimeters. This designation typically indicates a smoothbore cannon shell. The "48" denotes the approximate weight of the projectile in pounds, a common practice for older artillery nomenclature. The "501" specifies its length in millimeters. These shells were used in various naval and coastal artillery pieces during the 19th century.
The 48-pounder cannon was a significant piece of ordnance, capable of delivering substantial destructive power. Its
The adoption of such calibers and projectile sizes reflected the technological advancements in artillery manufacturing and