The Hotchkiss gun can refer to different types of the Hotchkiss arms company starting in the late 19th century. It usually refers to the 1.65-inch light mountain gun. There were also navy and 3-inch H
A Hotchkiss 42 mm gun
The Hotchkiss Revolving Cannon picture published 1874
Hotchkiss 5-barrel revolving cannon, Fort Copacabana
A ship mounted Hotchkiss cannon
The QF 1 pounder, universally known as the pom-pom due to the sound of its discharge, was a 37 mm British autocannon, the first of its type in the world. It was used by several countries initially as
Hotchkiss gun
…is difficult to determine from references what type of weapons a particular ship had. Single-shot, revolver cannon, and (from 1890) Maxim-Nordenfelt 1-pounder cannon weapons were all used on new warships from 1880 to 1910. All of these were called quick-firing or, in the US, rapid-firing. In the US Army, at least…
Mk II gun dated 1903, on anti-aircraft mounting, at the Imperial War Museum, London.
German gunners wearing gasmasks, with Maxim Flak M14
Australian troopers with a captured 1-pounder in South Africa circa. 1901
Boer 1-pounder with shield