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
A collection of glass lantern slides capturing the development of flight from an early set of images from the 1909 aviation meeting held at Reims, France through to images of aircraft from Imperial Airways and flying boats in the late Thirties. The History of Aircraft and Flying
115 Letter from Sir Norman Lockyer, Royal Commission on Scientific Instruction and the Advancement of Science, to an unnamed correspondent
190 Share certificate No 656 for the Thames Iron Works, Ship Building, Engineering & Dry Dock Co. Ltd.