Blundell Harling marine navigation instruments, course plotters, protractors, parallel rules, dividers, triangles, speed/time/distance

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Blundell Harling marine navigation instruments, course plotters, protractors, parallel rules, dividers, triangles, speed/time/distance calculators.

The Blundell Harling Portland range of nautical navigation instruments is famous throughout the world with high-quality instruments such as course plotters, protractors and parallel rules to suit all sailing navigation requirements.

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Blundell Harling Portland Course Plotter & Divider Kit

$26.54

The Blundell Harling Portland Course Plotter & Divider Kit has a bright blue directional arrow that prevents accidental reciprocal bearings and the edges are graduated fo... (More)

Blundell Harling Portland Solid Brass Single-Handed Divider

$18.46 - $19.94

The Blundell Harling Portland Solid Brass Single-Handed Divider is a strong and practical navigation tool which is also a pleasure to use. Available in 175 and 200 mm si... (More)

Acrylic Ruler 36 inch (1 metre)

$24.38

Outstanding accuracy and clarity High-quality clear acrylic material Parallel lines to assist with line-up Divided in millimetres and inches Part N... (More)

Blundell Harling Speed-Time-Distance Calculator

$9.98 - $18.51

Blundell Harling Speed-Time-Distance Calculator The Speed-Time-Distance Calculator is a simple-to-use slide rule device for calculating the third variable given the ot... (More)

Blundell Harling Parallel Rule Captain Fields Pattern

$30.48 - $51.41

The Blundell Harling Parallel Rule Captain Fields' Pattern is divided with protractor markings (double reading) and compass points. The Parallel Rule Captain Fields' ... (More)

Blundell Harling Middy Bar Parallel Rule

$21.37

Blundell Harling Middy Bar Parallel Rule The Middy Bar Parallel Rule is a budget version of the Captain Fields' Pattern parallel rule for use in the classroom. The Mid... (More)

Blundell Harling Portland RIB Plotter

$5.64

Blundell Harling Portland RIB Plotter A smaller plotter that can be used effectively where navigation facilities are limited or where the chart table area is small. ... (More)

Admiralty Pattern Brass Rolling Parallel Rule

$248.69

Blundell Harling Admiralty Pattern Brass Rolling Parallel Rule The Admiralty Pattern Brass Rolling Parallel Rule is supplied to naval personnel worldwide and is made fr... (More)

Blundell Harling Portland Protractor

$13.51 - $14.23

Blundell Harling Portland Protractor The Blundell Harling Portland Protractor is a Douglas-type square-pattern navigational protractor which can also be used as a simpl... (More)

Blundell Harling Portland Straight Chart Divider

$18.43 - $19.20

Blundell Harling Portland Straight Chart Dividers are made to a traditional design in solid brass. Available in 175-mm and 200-mm sizes.

Blundell Harling Portland Triangle

$8.72 - $9.98

Made from strong acrylic, the Blundell Harling Portland Triangle has protractor markings and compass points with reciprocals in red and a scale in millimetres. Portla... (More)

Blundell Harland Portland Plotter

$53.32

The Blundell Harland Portland Plotter features a movable disc that enables magnetic variation to be set on the instrument. The movable arm is divided into millimetre... (More)