Traiisaclions Society Naval Archilccts and Marine Engineers, Vol. 20, igi2. pialc ^3 



To illustrate paper on "Marine Lighting Equipment for the Punaiiui Canal," 



by James Pattison, Esq. 



Diagram 1. 



Fig. A. 

 Fig. B. 

 Fig. C. 



Fig D 



O 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 SECONDS. 



Light Characters. 



