12" Aluminum Arm Parallel Rule Peter V Cruising Guides such as how to tell

such as how to tell the best use of the moon from its age

Last Correction: 24-Sep-2018

Part cruising guide

Chart Image Size: 37" x 23"

Natural British Columbia

12" Aluminum Arm Parallel Rule Peter V Cruising Guides such as how to tellNo navigator should be without a good set of parallel rules as part of the navigation back up plan in the event of an electronic navigation failure. These parallel rules are accurate and durable. Choose from four arm lengths. Overview Black parallel lines on each rule improve ease of use and accuracy. Brushed aluminum arms. Polished aluminum handle. Milled acrylic with beveled edges. No protractor scale. Lifetime warranty. Specifications Marine