Westhofen (W.) 'The Forth Bridge', from 'Engineering' Feb.28th 1890, leather bound with detailed technical drawings and illustrations; 'The Railway Engineer', volume VII 1886 ; 'Theorie des Machines A Vapeur', 1844, French text, detailed technical drawings, (some damp staining) ; 'The principles and practice and explanation of the machinery of locomotive engines', 1850, comprising ten papers on locomotive engineering, fold-out technical drawings (lacking spine and front cover). (4)

细节

Westhofen (W.) 'The Forth Bridge', from 'Engineering' Feb.28th 1890, leather bound with detailed technical drawings and illustrations; 'The Railway Engineer', volume VII 1886 ; 'Theorie des Machines A Vapeur', 1844, French text, detailed technical drawings, (some damp staining) ; 'The principles and practice and explanation of the machinery of locomotive engines', 1850, comprising ten papers on locomotive engineering, fold-out technical drawings (lacking spine and front cover). (4)