The influence of propeller revolutions upon the propulsive efficiency of merchant ships.
By ... Karl Schaffran.

APA Citation

Schaffran, K., North East Coast Institution of Engineers and Shipbuilders. (1924). The influence of propeller revolutions upon the propulsive efficiency of merchant ships. Newcastle-upon-Tyne: North east coast of engineers and shipbuilders; [etc., etc.].

MLA Citation

Schaffran, Karl, and North East Coast Institution of Engineers and Shipbuilders. The Influence of Propeller Revolutions Upon the Propulsive Efficiency of Merchant Ships. Newcastle-upon-Tyne: North east coast of engineers and shipbuilders; [etc., etc.], 1924.