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Measuring Tools & Sensors

  • 8" One Hand Divider #171 8" One Hand Divider #171

    8" One Hand Divider #171

    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) longBrass handlesTapered sides & polished stainless steel tipsLifetime warrantyWARNING:This...

    $54.99
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  • Weems Parallel Plotter #120 Weems Parallel Plotter #120

    Weems Parallel Plotter #120

    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...

    $39.99
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  • Basic Navigation Set #317 Basic Navigation Set #317

    Basic Navigation Set #317

    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...

    $84.99
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  • Ultralight Divider #176 Ultralight Divider #176

    Ultralight Divider #176

    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...

    $35.00
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  • 15" Value Parallel Rule #145 15" Value Parallel Rule #145

    15" Value Parallel Rule #145

    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)...

    $28.00
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  • Nautical Slide Rule #105 Nautical Slide Rule #105

    Nautical Slide Rule #105

    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...

    $37.99
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