Volume entitled: "Early Days of the Electrical Industry, and Other Reminiscences of Alexander P. Trotter"
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
Drawing of broad wheeled Sussex waggon as used in the counties Sussex & Kent, Southern England circa 1700-1930
Volume entitled 'Brighton Hove & District Omnibus Co. 8 Trolley Buses, Description Maintenance Instructions and Spare Parts Lists'
Photo entitled 'Council of Engineering Institution's reception: presentation of Council's charter by Queen to the President, the Duke of Edinburgh'
Photo showing the opening of Engineers' Day exhibition by President of Pakistan in presence of HM Queen & Duke of Edinburgh