▁a ▁joint ▁spin ning ▁vessel ▁was ▁set ▁up ▁in ▁a ▁nearby ▁room ▁and ▁from ▁there ▁the ▁material ▁was ▁pressed ▁to ▁the ▁individual ▁spin ning ▁frames ▁and ▁further ▁to ▁numerous ▁cap ill ary ▁tub es . ▁This ▁formed ▁the ▁foundation ▁of ▁the ▁continuous ▁spin ning ▁process ▁still ▁used ▁today . ▁The ▁invent or ▁was ▁Edu ard ▁Bo os , ▁engineer ▁and ▁F rem ery ' s ▁son - in - law . ▁ ▁Despite ▁the ▁economic ▁success ▁of ▁cu pr am mon ium ▁ray on ▁( ten fold ▁increase ▁of ▁annual ▁production , ▁six fold ▁increase ▁of ▁turn over , ▁five fold ▁increase ▁of ▁man power ▁by ▁ 1 9 1 2 ), ▁the ▁future ▁belonged ▁to ▁the ▁vis c ose ▁process ▁invent ed ▁in ▁England . ▁In ▁ 1 9 1 1 , ▁Gl anz stoff ▁acquired ▁the ▁vis c ose ▁pat ent ▁which ▁advanced ▁to ▁production ▁line ▁status ▁in ▁Ober bru ch . ▁The ▁original ▁cu pr am mon ium ▁ray on ▁was ▁completely ▁with dra wn ▁in ▁ 1 9 1 6 . ▁During ▁the ▁First ▁World ▁War ▁Ober bru ch ▁was ▁the ▁only ▁Gl anz stoff ▁plant ▁to ▁continue ▁production ▁at ▁a ▁limited ▁level ▁despite ▁decl ining ▁demand ▁and ▁a ▁lack ▁of ▁labour . ▁ ▁A ▁lack ▁of ▁raw ▁material ▁forced ▁the ▁ray on ▁industry ▁to ▁take ▁new ▁steps . ▁St ap le ▁fi ber ▁as ▁replacement ▁for ▁cot ton ▁was ▁the ▁new ▁product , ▁waste ▁threads ▁of ▁man - made ▁continu ously ▁sp inn able ▁fil aments ▁cut ▁to