British, Dated 1953, Two Brass 20MM Shell Cases (Hispano-Suiza (20x110) HS 404 Aircraft Cannon Ball Shell Cases), By Greenwood & Batley

*British, Dated 1953, Two Brass 20MM Shell Cases (Hispano-Suiza (20x110) HS 404 Aircraft Cannon Ball Shell Cases), By Greenwood & Batley*

Each marked on base "GB 53 20MM"
Each marked on sides "SWN/223/54/SAP. 3Z"

~ Dimension ~

Each 2.4cm diameter, 11cm tall.

~ History ~

The 20 x 110 Hispano 404 aircraft cannon was used in a wide range of British WW2 and post war aircraft. The HS.404 cannon, initially designed by Hispano-Suiza in the mid-1930s, later versions based on British development are known as 20 mm Hispano. Originating in 1938, it was integrated into French fighter planes with the Hispano-Suiza 12Y engine. Adopted by the Royal Air Force in 1940, it armed various aircraft, including the Bristol Beaufighter and Westland Whirlwind. Initially, its drum feed proved unreliable, prompting modification to a more dependable belt feed. This modified HS.404 saw widespread use in WW2 aircraft, such as the Spitfire, Hurricane, Whirlwind, Beaufighter, Typhoon, and Tempest, and continued in post-war planes like the De Havilland Vampire and Gloster Meteor.

GB-Greenwood and Batley – Leeds, Yorkshire, UK. Greenwood & Batley (1856-1960) were a large engineering manufacturer with a wide range of products, including armaments, electrical engineering, and printing and milling machinery. They were manufacturers of all kinds of Military Small Arms Ammunition including the 303 British. Self-propelling Torpedoes for the Navy, and Horse Shoes for the British Government.

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