▁Parliament ary ▁Bor ough ▁of ▁Bol ton . ▁▁ 1 9 1 8 – 1 9 5 0 ▁The ▁Represent ation ▁of ▁the ▁People ▁Act ▁ 1 9 1 8 ▁re organ ised ▁parliament ary ▁seats ▁throughout ▁Great ▁Britain . ▁Const itu encies ▁were ▁re defined ▁in ▁terms ▁of ▁the ▁urban ▁and ▁rural ▁districts ▁created ▁by ▁the ▁Local ▁Government ▁Act ▁ 1 8 9 4 . ▁Lanc ash ire , ▁West h ought on ▁Division ▁consisted ▁of ▁five ▁ad jo ining ▁urban ▁districts : ▁Asp ull , ▁Black rod , ▁H ind ley , ▁Hor wich ▁and ▁West h ought on . ▁▁ 1 9 5 0 – 1 9 8 3 ▁The ▁next ▁red raw ing ▁of ▁English ▁constitu encies ▁was ▁effect ed ▁by ▁the ▁Represent ation ▁of ▁the ▁People ▁Act ▁ 1 9 4 8 . ▁The ▁Act ▁introduced ▁the ▁term ▁" count y ▁constitu ency ". ▁West h ought on ▁County ▁Const itu ency ▁was ▁en larg ed ▁by ▁the ▁addition ▁of ▁Stand ish ▁with ▁Lang tree ▁Urban ▁District ▁and ▁W igan ▁R ural ▁District . ▁The ▁re vised ▁boundaries ▁were ▁first ▁used ▁at ▁the ▁ 1 9 5 0 ▁general ▁election , ▁and ▁were ▁un changed ▁until ▁abol ition . ▁ ▁Ab ol ition ▁The ▁ 1 9 8 3 ▁red ist ribution ▁of ▁seats ▁reflected ▁local ▁government ▁re forms ▁made ▁in ▁ 1 9 7 4 . ▁The ▁bulk ▁of ▁the ▁seat ▁became ▁part ▁of ▁the ▁parliament ary ▁county ▁of ▁Gre ater ▁Manchester : ▁Black rod , ▁Hor