Message Book, M-210, Signal Corps, U.S. Army, Unused

The Signal Corps Message Book M-210 was a standardized notebook used by the U.S. Army Signal Corps for recording and transmitting military messages. It was designed for use in the field, providing a structured format for writing down, relaying, and archiving communications. They were commonly used during World War II and beyond for coordinating operations, issuing commands, and maintaining records of transmitted messages. Contains "25 sets of message forms in triplicate for regular use, 3 sets in duplicate for pigeon use and 25 sheets of tracing paper". This book is 4.25 x 6 inches.  This is an unused book in good condition.