load-carrying balloon system
71Virgin Media — Inc. Type Public Traded as NASDAQ: VMED, LSE:  …
72Schräge Musik — Part of World War II Captured Messerschmitt Bf 110G 4 showing twin cannon Schräge Musik installation of two cannon with their muzzles j …
73Seismic retrofit — Seismic retrofitting is the modification of existing structures to make them more resistant to seismic activity, ground motion, or soil failure due to earthquakes. Other retrofit techniques are applicable to areas subject to tropical cyclones,… …
74List of Dad's Army episodes — Dad s Army is a British sitcom about the Home Guard during World War II. The sitcom aired between 1968 and 1977, and there were a total of eighty episodes spread over nine series, as well as four Christmas specials.[1] Most episodes were also… …
75May 1927 — January February March April May June July August September October November December The following events occurred in May 1927. Contents 1 May 1, 1927 (Sunday) 2 May 2, 1927 (Monday) 3 …
76Trainer (aircraft) — Trainer Slingsby T 67 Firefly of the UK Defence Elementary Flying Training School, used for training Army and Navy pilots A trainer is a class of aircraft designed specifically to facilitate in flight training of pilots and aircrews. The use of a …
77John Carver Meadows Frost — known as Jack (born 1915 in Walton on Thames, England, died 9 October 1979 in Auckland, New Zealand) was a British aircraft designer. His primary contributions centred on pioneering supersonic British experimental aircraft and as the chief… …
78Battleship — For other uses, see Battleship (disambiguation). The firepower of a battleship demonstrated by USS Iowa (ca. 1984) A battleship is a large armored warship with a main battery consisting of heavy caliber guns. Battleships were large …
79Coilgun — Gauss gun redirects here. For fictional weapons of this type, see electromagnetic projectile devices (fiction). Not to be confused with railgun. Simplified diagram of a multistage coilgun with three coils, a barrel, and a ferromagnetic projectile …
80Aerial topdressing — is the spreading of fertilisers such as superphosphate over farmland with the use of aircraft. Aerial topdressing was developed in New Zealand in the 1940s and was rapidly adopted elsewhere in the 1950s. For more general information about… …
