[Letters patent (no. 1471) granted to Joseph Rothery and Andrew Rothery for "Improvements in Machinery or Apparatus for cutting coal, stone and other minerals". 1871 Jun 2. 1 parchment sheet, with attached wax seal (repaired) in box. Address of the Rotherys, engineers, given as Waterloo Main Colliery, Leeds. Letters patent and boxed seal housed in box of J. Henry Johnson, patent agent]