they both fired 2 lb (0.91 kg), 40 mm (1.6 in) projectiles. The first gun to be called a pom-pom was the 37 mm Nordenfelt-Maxim or "QF 1-pounder" introduced...

The Ordnance QF 2-pounder (QF denoting "quick firing"), or simply "2 pounder gun", was a 40 mm (1.575 in) British anti-tank gun and vehicle-mounted gun...

each shell should be individually aimed. During the 1920s, Vickers developed the Vickers range clock (Predictor No 1), an electro-mechanical computer...

manufactured by the Elswick Ordnance Company, part of Armstrong Whitworth. They were developed to exploit the new "QF" technology, which involved loading the propellant...

The QF 6-inch 40 calibre naval gun (Quick-Firing) was used by many United Kingdom-built warships around the end of the 19th century and the start of the...

different companies manufactured the guns and component parts in the UK. Vickers-Armstrongs in Scotswood, Baker Perkins in Peterborough and Weirs in Glasgow were...

agreed to collaborate to produce a composite design. This used the Armstrong gun, Vickers' recoil system, and Royal Ordnance Factory's sighting and elevating...

The Vickers 40 mm Class S gun, also known simply as the Vickers S or S gun, was a 40 mm (1.57 in) airborne autocannon designed by Vickers-Armstrongs for...

recommend the production of trial equipments from ordnance factories, Armstrong, Vickers and the Coventry Ordnance Works (a joint venture by several Coventry...

The Ordnance QF Hotchkiss 6 pounder gun Mk I and Mk II or QF 6 pounder 8 cwt were a family of long-lived light 57 mm naval guns introduced in 1885 to...

The QF 12-pounder 12-cwt gun (Quick-Firing) (abbreviated as Q.F. 12-pdr. [12-cwt.]) was a common, versatile 3-inch (76.2 mm) calibre naval gun introduced...

A10 and A11. Another version says that Valentine is an acronym for Vickers-Armstrongs Limited Elswick & (Newcastle-upon) Tyne. The "most prosaic" explanation...

Wallis of Vickers. Vickers built the first and last of the four ships. The other two were built by William Beardmore and Company and Armstrong-Whitworth...

Schneider, Canet and Armstrong. Older and shorter-barreled guns have different ballistics as noted below. These were British QF Mark I and III guns used...

Ordnance at the time, the Birch gun comprised a Vickers Medium Mark II tank chassis originally fitted with a QF 18-pounder (83.8 mm) gun. This remained the...

manufactured at the Naval Gun Factory. QF 3 pounder Nordenfelt : Nordenfelt equivalent QF 3 pounder Vickers : Vickers equivalent 5 cm SK L/40 gun : German...

I. They were designed by Vickers in Britain and produced by all four British artillery manufacturers but mainly by Armstrong and one American company...

The QF 4-inch gun Mks I, II, III were early British QF (quick-firing) naval guns originating in 1895. They all had barrels of 40 calibres length. The gun...

are the QF 3-pounder Vickers, QF 18-pounder field gun, QF 4-inch Mk V anti-aircraft gun and the current 4.5-inch Mark 8 naval gun. Fixed QF was suited...

produced, 13 being in Canada and India.[page needed] Armstrong were the main supplier, with Vickers and the Ordnance Factory Woolwich also producing complete...

The Ordnance QF 12-pounder 8 cwt was a Royal Navy "landing gun" intended for navy use ashore. "8 cwt" refers to the weight of the gun and breech, approximately...

Brown, Cammell Laird and Fairfield) to compete with the duopoly of Vickers and Armstrong-Whitworth in producing naval guns. Besides the larger naval gun...

cannon-armed version did not proceed. This requirement was passed to Vickers-Armstrongs which had a prototype (A11E1) but with armour proof against current...

Front. Cartridge 63½ lb (¼ charge), Cordite M.D. used on King Edward VII-class battleship Common pointed capped shell, 1912 Armstrongs also sold versions...

key Royal Navy gun in both World Wars. The BL 15-inch Mk I, designed by Vickers, Son, and Maxim in 1912, was an enlarged version of the successful BL 13...

tanks that were fitted only with machine guns. Vickers-Armstrong installed on the Mk VIIs a 40 mm (1.6 in) QF 2-pounder main gun paired with a 7.92 mm (0.312 in)...

and proposals for twin and quadruple projectors were solicited from Vickers-Armstrongs. An advantage of a rocket weapon was that it did not need to be produced...

use the new cordite propellant. They were superseded on new warships by the QF 6-inch gun from 1891. These were Royal Gun Factory designs, although they...

better radio (wireless telegraph, W/T) equipment. The ships were to have six QF Mark XI 4.7-inch (120 mm) guns in Mark XX twin mountings in 'A', 'B', and...

British citizen. Throughout the 1930s, he worked with Alvis Cars, Vickers-Armstrong and Hungarian companies on a variety of projects. His first armoured...