rnnisdclioiis .9i»c/c/v Mai'dl . Ircliilrcis mid Maruic l'.\uiinccrs. Vol. 26, iqiS. 



Plate 53 



I'o lUiislnilc /^ii/^cr an " /'rof/rcss in Tiirhiiic Sliiji I'rof^ulsioii," 

 by /■raiiris 1 1 oili/kiiisoii , lisq., J'isifor. 



Fig. 25. — 600 H. P. Submarine Chaser (Showing Rotating Element). 



