A Boxed Genuine -Admiralty Pattern, Polished Brass, Royal Navy, Military, Chart, Roller Rule.

Would make a nice Novelty Item / Paper Weight / ornament / Talking Point.

Nautical / Scientific Instruments. 

A Boxed Admiralty Patt 6675-99-529-4184

Containing - Chart Admiralty Parallel Roller Rule -  Admiralty Pattern No 160100 Embossed, with Naval stamp.

Measures 18" Length x 2 5/8 Width. 

Heavy, solid brass. 

U.K. Shipping only.