Navigation Tools

8 inches
This white lanyard clips on the clapper of the 7 inch or 8 inch brass or chrome bells (7000 or 8000). The lanyard features a nautical hand-tied monkey fist.

ISBN: 721002072917
This kit includes 15 spare compass leads suitable for Weems & Plath dividers (176, 178 & 179). The reusable clear plastic case is a safe and convenient container for lead storage. (Also available in a box of 2 (7231). 15 leads per pack Reusable plastic storage container 2 mm...

8 x 2.5 inches, ISBN: 721002001719
Our traditional 8-inch (20.32 cm) brass one hand dividers can be opened and closed easily with one hand while performing chart work. 8-inches (20.32 cm) long Brass handles Tapered sides & polished stainless steel tips Lifetime warranty WARNING:  This product can...

12 x 12 x 12 inches, ISBN: 721002006479
Hand-crafted in Northern Italy, these 12-inch (30.48 cm) chrome bells are guaranteed to please with their richness of sound and beautiful finish. These stunning bells have a high copper content which makes them stronger than most bells available on the market. They are chrome-plated cast brass,...

12 x 12 x 12 inches, ISBN: 721002006462
THIS ITEM IS DROP SHIPPED FROM THE MANUFACTURER We have searched the world over to bring you the highest quality brass bells with superior tone and finish. The rich resonance of these 12-inch (30.48 cm) brass bells when struck is guaranteed to please. Hand-crafted in Northern Italy, their...

12.5 x 3 inches, ISBN: 721002001207
The Weems Parallel Plotter is our most popular rolling plotter. It is mounted on an aluminum roller assembly that allows you to plot courses and parallel lines with simple direct transfer and doesn’t require the space that traditional parallel rules or triangles need. The roller keeps the...

17.5 x 6 inches, ISBN: 721002001863
The Basic Navigation Set provides the essential navigation instruments required for basic navigation, such as finding position, range, and bearing to a destination. The set, packaged in a clear, reusable plastic case, includes four tools; the Weems Protractor (255) (an updated version of Breton...

7 x 1.8 inches, ISBN: 721002001764
Our Ultralight Dividers are the perfect tools to fill out your navigation kit. They are the best-selling navigation tool in our whole product line, and for good reason. Constructed of coated marine alloy to resist corrosion, these durable dividers are fully adjustable and easy to use. They...

10.4 x 10.4 inches, ISBN: 721002001504
The Star Finder 2102-D is an invaluable tool for celestial navigators to locate and identify, by altitude and azimuth, the 57 stars listed in air and nautical almanacs. It can also be used by amateur star gazers for general star identification.Special diagrams permit rapid check of hour angle...

15 x 2.6 inches, ISBN: 721002001450
The 15-inch (38.1 cm) Value Parallel Rule is a basic parallel rule without a protractor scale. Ideal for teaching applications, this clear acrylic & aluminum parallel rule is used to plot a course from a compass rose on a chart.  15-inches (38.1 cm) long Brushed aluminum arms...

15 x 2.5 inches, ISBN: 721002001412
Of all our traditional parallel rules, the 15-inch (38.1cm) Brushed Aluminum Arm Parallel Rule is a best-seller. This sturdy acrylic parallel rule includes a protractor scale, is easy to use, and is a necessary tool for every seagoing navigator. The two straight-edged rules are connected to...

12 x 2.5 inches, ISBN: 721002001405
This sturdy 12-inch (30.48cm) parallel rule with brushed aluminum arms is inscribed 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 rules are connected to maintain the same angle. By walking the rules...

18 x 2.6 inches, ISBN: 721002001382
The 18-inch (45.72cm) Aluminum Arms Parallel Rule feature aluminum arms that join two clear acrylic rulers inscribed with a protractor scale. An essential item in any proper navigation kit, these rules are used to plot direction on a nautical chart from any convenient meridian or compass rose....

7.25 x 7.25 inches, ISBN: 721002001054
The Nautical Slide Rule offers a foolproof, immediate solution to all common speed/time/distance problems and is convertible to statute or nautical miles. It also allows the user to compute distance in yards if the speed is factored in knots. The Nautical Slide Rule is sometimes referred to as a...

ISBN: 721002007834
The Professional Protractor Triangle with handle is larger than other navigation triangles on the market, with sides that are 9-1/4 inches (23.50cm) long and a hypotenuse (long side) 13-inches (33.02cm) long. Its clean, uncluttered design is inscribed with contrast enhancing colors (red &...

11 x 5.8 inches, ISBN: 721002003140
Often used in a combination of two, our Protractor Triangle provides a straightforward method of plotting and performing chart work. Each triangle is inscribed with black markings. The protractor scale on the triangle can aid in drawing a bearing line on a chart, and the 90° angle is helpful...

11 x 7.75 inches, ISBN: 721002001016
Often used in a combination of two, our Protractor Triangle with Handle provides a straightforward method of plotting and performing chart work. Each triangle is inscribed with contrast enhancing colors (red & black), plus a handle that holds a pencil, making it convenient and easy to use....