Collection of notebooks for traditional 'A' level physics course at Queen Elizabeth's Grammar School, Gainsborough
Kompleks kompensator, system Gall. Fabrikat H. Tinsley & Co., London. Betjeningsforskrift og beskrivelse
Archive of the hydrological research committee of the Department of Scientific and Industrial Research and the Natural Environment Research Council
Drawing of broad wheeled Sussex waggon as used in the counties Sussex & Kent, Southern England circa 1700-1930
Volume entitled: "Early Days of the Electrical Industry, and Other Reminiscences of Alexander P. Trotter"