Hydrographic Office RUDE STAR FINDER AND IDENTIFIER   1942  Model:  2102-C

(with Hydrographic office modifications)  Published in Washington, DC.

Collectable naval star finder dating from World War 2  - 1942.

Seven plotting and identifying discs.  

Hemisphere disc - N or S  on each side of disc

Instructions.

Case which has some wear.

Prompt insured dispatch.