Emergency signaling mirror
Overall: 4 x 5 in. (10.2 x 12.7 cm)
Rectangular tempered glass mirror with black enamel surface covering part of reverse; orange lettering with instructions for use; pierced in one corner with hole for braided cotton neck cord.
This type of emergency signaling mirror, known as the ESM/1, was used in the United States armed services during World War II. The Army Air Force adopted this model in September 1943. By mid-1944, the ESM/1 mirror was added to many existing and newly developed emergency and life raft kits.
Gift of Ivan C. and Marilynn Gelfman Karp
Due to ongoing research, information about this object is subject to change.