Nautical Instruments

While electronic navigation chart advances are an important milestone in the science of nautical navigation, many mariners carry on the traditions associated with navigation by plotting a position and a course on a paper nautical chart. They accomplish this task using traditional marine navigation tools, including: compasses, chart dividers, rulers, protractors, sextants, chart plotters, binoculars, chronometers, star finders, and more.

Most large commercial ships use electronic navigation methods as they are required under the SOLAS convention to use ECDIS as the primary means of navigation. However, many navigation officers and smaller, recreational vessels continue to work with traditional nautical charts to navigate and plot their courses using the same basic, yet ingenious, nautical tools used by ocean-sailing mariners for centuries. It is important that mariners remain knowledgeable on the use of these navigation tools in case the need arises to use paper nautical charts. It is good seamanship for mariners to know how to use these nautical tools work and to pass on that information to the next generation. 

High-quality modern nautical tools also make great gifts for anyone with a love of maritime history. Any sailor who uses traditional navigation techniques would appreciate receiving these items as a gift. 

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Showing: 1-19 of 19
  • $14.95 $16.95
    This 5 Inch Fixed Point Divider is a matte nickel-plated, brass divider that is lightweight and ideal for all applications. Also available in 6 inch and 7 inch  Lifetime warranty
  • $15.95
    The 6 Inch Fixed Point Divider is constructed of lightweight matte nickel-plated brass. All our navigation tools are reliable, easy to use and come with a lifetime warranty. Also available in 5 inch and 7 inch  
  • $18.95 $21.95
    The 6 Inch Removable Point Divider is constructed of lightweight matte nickel-plated brass. All our navigation tools are reliable and easy to use. Also available in 5 inch and 7 inch Lifetime warranty  Dimensions:   6" (152mm) Weight:...
  • $22.95
    The traditional hand divider, manufactured from solid brass with non-magnetic stainless steel triangular points.
  • $25.95
    These 7” brass dividers have a straight pattern and are lightweight, matte nickel-plated. The brass dividers are ideal for all applications.
  • $21.95 $24.95
    The 7 Inch Removable Point Divider is constructed of lightweight matte nickel-plated brass. All our navigation tools are reliable and easy to use. Also available in 5 inch and 6 inch Lifetime warranty  
  • $39.95 $46.99
    Every seasoned navigator has a pair of these attractive one hand brass dividers on his chart table. 7 inches long One-hand brass dividers can be opened and closed with one hand while performing chart work Handle is brass Tapered sides are bright finished marine alloy ...
  • $29.95 $34.99
    The 7 inch Straight Pattern divider is made with brass arms and polished stainless steel tips. Adjustable tension hand-sharpened points Dimensions:   7" (178 mm) Weight:   0.2 lb. (91 g)    
  • $43.95 $49.95
    This traditional one-hand brass navigation divider is beautiful and functional at the same time. 8 inches long can be opened and closed with one hand while performing chart work navigation divider handle is brass Tapered sides are bright finished marine alloy Dimensions:   8" (203 mm) W...
  • $35.95 $40.95
    The 8 inch straight pattern navigational dividers are made with brass arms and polished stainless steel tips. Adjustable tension hand-sharpened points Dimensions:   8" (203 mm) Weight:   0.3 lb. (136 g)    
  • $34.95 $37.95
    Undeniably the best tool for measuring distance on a chart, dividers have been used for thousands of years without any significant changes until now. Outfitted with two built-in red LED lights, this indispensable tool takes on a new life. The 7 inch Light Dividers allow the user to read char...
  • $18.95 $19.99
    The 6 inch Millennium Dividers/Compass has a unique ergonomic design that facilitates one-handed operation. The versatile dividers/compass tool is well made and long lasting. Construction is polyamide/glass fiber composite Nickel free and rustproof Ergonomic design facilitates one-handed o...
  • $33.95 $35.99
    The Millennium Navigation Kit contains a pair of 6 inch dividers, a 6 inch compass and spare leads in a protective vinyl case. The two tools in this navigation kit are top quality German-made instruments that include unique ergonomic and adjustable features. Construction is polyamide/glass fib...
  • $19.95 $23.95
    Portland Solid Brass Single Handed Divider 8" Traditionally designed Solid Brass finish Stainless steel points Also available in 7" version Supplied in a blister pack
  • $27.95 $34.95
    The Portland Course Plotter Kit Used worldwide by practical and shore based instructors Bright blue directional arrow prevents accidental reciprocal bearings Edges are graduated for tide and boat speed Base has a fixed grid so it is easy to plot latitude from your GPS system  Includes a 7" Sing...
  • $16.95 $19.95
    Portland Solid Brass Single Handed Divider 7" Traditionally designed Solid Brass finish Stainless steel points Also available in 8" version Supplied in a blister pack
  • $16.95 $21.95
    Portland Solid Brass Straight Divider 7" Traditionally designed Solid Brass finish Stainless steel points Also available in 8" version Supplied in a blister pack
  • $16.95 $21.95
    Portland Solid Brass Straight Divider 8" Traditionally designed Solid Brass finish Stainless steel points Also available in 7" version Supplied in a blister pack
  • $19.95 $25.99