Design of Quadrupod Mounting for .5 inch Browning air-cooled machine gun Achterlaad percussiegeweer systeem Westley Richards Whitworth Nederlands proefmodel Percussiegeweer systeem Whitworth met trekkerversneller en wedstrijdkorrel Percussiegeweer systeem Whitworth Percussiegeweer naar voorbeeld van geweer systeem Whitworth Miscellaneous papers on mechanical subjects / By Joseph Withworth, F.R.S Report of the special Armstrong and Whitworth Committee : Vol. 2 system field artillery material of 76 M-M / Armstrong Report of the special Armstrong and Whitworth Committee report of the Armstrong and Whitworth Committee, with a letter thereon to Earl De Grey, and Appendices / J. Whitworth Pamflettenoorlog 1939-1945 / Nico Geldhof war works of Sir W.G. Armstrong : Whitworth & Company Ltd
