Bul. U. S. B. F. 1907 PLATE V. 
FIG. 1. PHOTOGRAPH SHOWING THE METHOD OF USING THE REFLECTING CAMERA WHEN 
INCLOSED IN THE WATER-TIGHT BOX FOR SUBAQUATIC WORK 
The upper part of the box covering the hood rises above the surface, while the lower part, containing 
the camera proper, is under water. The operator is looking into the hood through the plate glass 
in the top of the box. With his right hand he focuses; with his left makes the exposure. 
FIG. 2. GALVANIZED-IRON BOX WITH PLATE-GLASS FRONT, DESIGNED BY THE WRITER TO 
CONTAIN A 5 BY 7 REFLECTING CAMERA WHEN USED UNDER WATER 
For description see text, page 62 
