A bound volume written in clerk's hand, presented by Henry Minchin Noad to Museum of Economic Geology
Letters patent (no. 1471) granted to Joseph Rothery and Andrew Rothery for 'Improvements in Machinery or Apparatus for cutting coal, stone and other minerals'
Letters patent granted to Stephen Thomas Wentworth for 'Improvements in burners for consuming gas and air combined', plus ephemeral material
Plan and side elevation of table axis with combination of cams and platforms. Plan and end elevation of mill showing a combination of cams, platforms, stop bolts and barrels.