520 model 1916

obusier dee 520 model 1916 ack francisi railway howitzer thaa jise pratham vishva yuddh key dauran banaaya gayaa thaa, lekin yuddh samaapt honey seey pahale seva naheen dekhi gaee thee. ack hathiyar koo golibari key parikshanon mein nasht curr diyaa gayaa thaa aur dusare koo 1940 mein france key aatmasamarpan karane key baad germans dwara pakad liya gayaa thaa aur unake dwara leninagrad kii gherabandi mein upayog kiya gayaa thaa. donon hathiyaron koo unake bairal mein gole key samay seey pahale visfot seey nasht curr diyaa gayaa thaa.
design.
inn howitzer koo 1916 mein snider seey adesh diyaa gayaa thaa, lekin vikas lamba thaa aur pahala hathiyar 1917 key anta taka vitarit naheen kiya gayaa thaa. unhone apane vishal gole daagne seey utpann recoil balon koo sambhaalane key liye paalane recoil aur sliding recoil key sanyojan kaa upayog kiya. gaadi key neeche kii or lagey kaee crossbeam koo neeche jank kiya gayaa thaa aur gharshan badhaane key liye track parr jakad diyaa gayaa thaa jaba gaadi koo bandook key paalane parr hydrolic buffer dwara avashoshit naheen kiye gaye recoil balon seey peechhe kii or majboor kiya gayaa thaa. mount koo phir oopar kii or rakhaa gayaa aur phir haind-crank yaa electric motor dwara vaapas firing kii sthiti mein leey jaaya gayaa. bandook koo 0° kii oonchaai parr load karna padata thaa aur iss prakaar harr shott key liye phir seey lakshit kiya jaanaa thaa. bandook key peechhe lagey ack pramukh overhead trolley system ney golaa-barud kaar seey golaa-barud koo havaa mein leey jaaya. usane bhaari gole daage. oonchaai aur golaa-barud sambhaalane kaa kaam lagbhag taaron seey judee ack alag generator kaar seey bijli seey sanchaalit thaa. 
yuddh kaa itihas.
julaai 1918 mein quiberon mein renz mein golibari parikshanon key dauran pahala hovitzer nasht curr diyaa gayaa thaa jaba ack khol bairal mein samay seey pahale visfot hoe gayaa thaa. doosari bandook 1918 mein dee gaee thee, lekin yuddh samaapt honey seey pahale apane golibari parikshanon koo puuraa naheen kiya. ise bhandaran mein rakhaa gayaa thaa, lekin yuddh shuru honey taka francisi jutaane kii yojanaon kaa hissa naheen thaa, isaliye ise yuddh key liye pratibaddh honey seey pahale navinikrit karane kii aavashyakta thee. ise snider karyashalaon mein kaid curr liya gayaa thaa, isase pahale kii yeh gusse mein ack bhee goliyaan chalaa sakey.
germans ney ise "52 semi hobbitz (ee) 871 (aff) (french railroad howitzer)" key roop mein seva mein rakhaa aur ise "railroad artillery battery (artillery-battery (ee.)) 686 ". yeh operation berber key shuruati charanon mein bhaag naheen liya, lekin 21 navambar 1941 koo leninagrad key baahari ilaake mein pahuncha. 5 janwari 1942 koo bairal mein ack gole key visfot seey yeh nasht hoe gayaa thaa. 1943 mein operation iscra key dauran soviyaton dwara parityakt malabe parr kabja curr liya gayaa thaa.

