NAVY LOUDSPEAKER

E&MP 12.012

Electric Appliances & Apparatus

June 18, 1944

Navy loudspeaker, usable in great naval battles, is a high-powered unit 12 1/2 inches in diameter and weighing about 25 pounds. The illustration explains its nickname, the "salad bowl." The magnetic unit is fitted with a two-piece permanent magnet.

LAZAR ID #10279-3 S-3.4-e

Original Caption by Science Service
^© Nick Lazar