12" Brushed Aluminum Arms Parallel Rule (Weems & Plath 140) C - Scotland & Adjacent Islands & Iceland British Admiralty Nautical Chart 3230:

British Admiralty Nautical Chart 3230: Approaches to Kao-hsiung is a standard nautical chart

Winyah Bay and Georgetown Harbor with Approaches is a standard nautical chart

British Admiralty Nautical Chart 420: North Sea - Denmark - West Coast

Golden Gate to Alameda is a standard nautical chart

This extensive coverage makes the Merchant Marine Officers' Handbook an invaluable textbook and study guide

12" Brushed Aluminum Arms Parallel Rule (Weems & Plath 140) C - Scotland & Adjacent Islands & Iceland British Admiralty Nautical Chart 3230:This sturdy 12 inch (30. 48cm) parallel ruler with brushed aluminum arms is enscribed with a protractor scale. It is used to plot direction on a nautical chart from any convenient meridian or compass rose. The two straight edged rulers are connected to maintain the same angle. By walking the rules across the chart and securely holding down the non moving ruler, you can effectively plot a course. 12 inches (30. 48cm) long Includes protractor scale