Japanese Navy Handbook of Hand Signals JU-88 This example has a serial

This example has a serial number prefix of AC41

The system was designed primarily to be used as a navigational instrument (see photos of system)

judging from its design

Once switched On

Japanese Navy Handbook of Hand Signals JU-88 This example has a serialThis 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,