 The two companies decided to join forces to make a new approach to Parliament . They also incorporated in the scheme a proposal to join the Trent Valley Railway into the Potteries . To do this they promoted the North Staffordshire or Churnet Valley and Trent Junction Railway . This prospective company issued its prospectus on 30 April 1845 from offices at 1 Old Palace Yard , Westminster , London . There was to be a share capital of £ 2 @,@ 350 @,@ 000 ( £ 210 million in 2015 ) . in £ 20 shares ( 117 @,@ 500 shares ) . 
