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
Detailed notes on experimental steel production and characteristics made at John Brown and Co. Sheffield
2 items Manuscript maps of the earth projected on a regular dodecahedron and on a regular tetrahedron