In 1933, a total of 12 of these anti-aircraft cannons were purchased from the UK, but they were partly manufactured in Finland. The cannons entered into service in 1934. During the Winter War, there were batteries armed with these cannons in Helsinki (Herttoniemi, Taivaskallio and Myllykallio). The cannons were phased out by 1966.

Manufacturers: Vickers Armstrongs Ltd, Great Britain (the gun);           Chrichton-Vulcan, Finland (the carriage)

Calibre: 76.2 mm

Muzzle velocity: 805 m/s

Rate of fire: 10 rounds per minute

Travelling weight: 3118 kg

Firing weight: 2763 kg

Cartridge weight: 11 kg

Shell weight: 6.5 kg