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
Letters patent and specification (no. 3473) to Frederick Henry Smith relating to 'Signal and other lamps'
Detailed notes on experimental steel production and characteristics made at John Brown and Co. Sheffield