John Earnshaw Calverley
John Earnshaw Calverley (c1888- )
Chief Engineer and Manager, Traction Dept., The English Electric Co., Ltd., Queens House, Kingsway, London, W.C.2.
Formerly Assistant Designer of Electric Machinery, Dick, Kerr and Co., Preston; Chief Designer of Direct Current Machinery, The English Electric Co., Ltd.
Joint Inventor of the Transverter.