Technology
Technology
SONNENSTERN, MAXIMILIAN von.
Report on the Nicaragua Route ..Washington, Government printing Office, 1874.
RAILWAY, TRAIN, STEAMENGINES -
Ecole des Ponts et Chaussées. ..(No place, nor year, but Paris, presumably 1875).
HOUSE OF COMMONS - THE CHANNEL TUNNEL.
Correspondence respecting the ..London, Harrison and Sons, 1875-76.