Japanese Navy Handbook of Hand Signals

This is an authentic Hand Signaling handbook of the Japanese Navy.  Each page contains 1-3 specific Japanese sailor hand signal illustrations and their meaning in Japanese text. Unfortunately we are unable to translate this manual and cannot provide any additional information regarding its content.

The cloth-covered paper cover is loose from its binding and is worn. All of the pages are present.  There are only very few pencil markings on pages, otherwise each page is clean.  Measures ~ 6 inches by ~4.5 inches wide and ~ 3/8 inches thick.