10 cm houfnice vz. 28 10 cm houfnice vz. 28 The 10 cm houfnice vz. 28 (howitzer model 28) was a Czech howitzer used in limited numbers by the Yugoslav Army during World War II. The Yugoslavians ordered twenty houfnice vz. 28 guns which they referred to as the 100 mm M.28. Guns captured from Yugoslavia by the Germans were given the designation 10 cm leFH 317(j). The origins of the houfnice vz. 28 began in 1928 at the Škoda Works in Pilsen. The design attempted to combine the howitzer and mountain gun roles into one weapon. The houfnice vz. 28 combined a two-wheeled box
Type 89 machine gun Type 89 machine gun Type 89 refers to two unrelated Imperial Japanese Army aircraft machine guns. When any reference is made to a 7.7mm Type 89, it is impossible to tell which gun is indicated without more information. Its Imperial Japanese Navy counterparts are the Type 97 machine gun (fixed), and Type 92 machine gun (a Lewis gun copy). The first machine gun is recoil-operated, it is a licensed copy of the Vickers Class E machine gun re-chambered to 7.7x58mmSR Type 89 cartridge, it is referred to as the "fixed type". It was used in synchronized applications in fighter cowls