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
Photo showing the opening of Engineers' Day exhibition by President of Pakistan in presence of HM Queen & Duke of Edinburgh
Photo showing the opening of Engineers' Day exhibition by President of Pakistan in presence of HM Queen & Duke of Edinburgh
Photo showing the opening of Engineers' Day exhibition by President of Pakistan in presence of HM Queen & Duke of Edinburgh