Transactions Society Naval Architects and Marine Engineers, Vol. 3o, tpi2. 



Plate 131 



To iltustrate paper on "Logarithmic Speed-Power Diagram,' 

 by Thomas M. Gunn, Esq. 



l.H.P g. L.H.R OF TORPEDO BOAT 



U.S.S, BIDDLE . r\NlN SCREW 

 LENGTH. 1ST' BERM. It.ZS' DftflFT. •^Sl' 

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