Currently stored in box 3.1.73 [220B], moved from .
Caption "? can see what's going on. Water glass is built into this paddleboard used by the life guards at Santa Monica, California. With the plate glass fitted into the bottom of the hollow paddleboard and an eye piece fitted to the top, the old style water-box is dispensed with for viewing the ocean bottom. Operating just like a miniature gales bottom boat the Santa Monica guards use it for locating lost anchors and cables in the yacht harbor and for any work requiring a quick search of the bottom at any depth up to 30 or 40 feet if necessary. The new device is expected to be adapted in many quarters for individual sight seeing of submarine gardens. It is the invention of Captian Charles H. Watkins, Chief of the Santa Monica Lifeguard Corps. The photo shows his son demonstrating the new board" 8X26R Publishers Photo Service.