The clearing of the Suez Canal from obstruction by a dynamite ship
Government dredge for Delaware river
Lowering the sill of the great Central railway union dock, Grimsby
The American canal towing system of wood and the double-rail locomotive system
Electrically-operated slipway haulage
Recent controversy and conditions at Panama
The proposed Norwich and Yarmouth ship canal
The Chalmette docks of the New Orleans terminal co
Floating crane of 25 tons capacity
Some phases of the Panama problem