Nautical Instruments

We found 43 items
View
Sort by
View as

Portland Course Plotter Pack

by Blundell Harding
The Portland Plotter is one of the most popular chart work instruments, similar to the Breton Plotter, and is widely used by the RYA practical and shore based instructors. Supplied with Single handed Dividers (7") for the complete navigation kit.
In stock online
Online Stock:
11 available
Available in stores
  • London Store - 11 in stock
  • Bristol Store - Out of stock
  • Warehouse - Out of stock

Order before 5pm to collect from your chosen store after 3pm the next working day.

Find out more about Click & Collect
£28.99
£28.99

Davis Mark 15 Master Sextant

Accessories & Instruments
by Celestaire
***Please contact us for current availability in our stores before ordering. Other sextant models are also available upon request.*** DO NOT KEEP IN DIRECT SUNLIGHT OR NEAR A STRONG HEAT SOURCE TO AVOID PLASTIC EXPANDING OR WARPING Davis plastic sextants have emerged as truly viable instruments for celestial navigation. Their accuracy is not as great as with metal sextants, and their errors vary...
In stock online
Online Stock:
10 available
Available in stores
  • London Store - 10 in stock
  • Bristol Store - 10 in stock
  • Warehouse - Out of stock

Order before 5pm to collect from your chosen store after 3pm the next working day.

Find out more about Click & Collect
£150.00
£150.00

Davis Mark 25 Master Sextant

Accessories & Instruments
by Celestaire
***Please contact us for current availability in our stores before ordering. Other sextant models are also available upon request.*** DO NOT KEEP IN DIRECT SUNLIGHT OR NEAR A STRONG HEAT SOURCE TO AVOID PLASTIC EXPANDING OR WARPING Davis plastic sextants have emerged as truly viable instruments for celestial navigation. Their accuracy is not as great as with metal sextants, and their errors vary...
In stock online
Online Stock:
10 available
Available in stores
  • London Store - 10 in stock
  • Bristol Store - 10 in stock
  • Warehouse - Out of stock

Order before 5pm to collect from your chosen store after 3pm the next working day.

Find out more about Click & Collect
£199.00
£199.00

Portland Course Plotter

by Blundell Harling
This course plotter is used worldwide by practical and shore based instructors. It features a bright blue directional arrow to prevent accidental reciprocal bearings and the edges are graduated for tide and boat speed.
In stock online
Online Stock:
7 available
Available in stores
  • London Store - 7 in stock
  • Bristol Store - Out of stock
  • Warehouse - Out of stock

Order before 5pm to collect from your chosen store after 3pm the next working day.

Find out more about Click & Collect
£15.99
£15.99

Navigational Instruments

Paperback
by Dunn, Dr. Richard
With over two-thirds of the globe covered by water, the ability to navigate safely and quickly across the oceans has been crucial throughout human history. As seafarers attempted longer and longer voyages from the sixteenth century onwards in search of profit and new lands, the tools of navigation became ever more sophisticated. The development of instruments over the last five hundred years has seen some r...
In stock online
Online Stock:
6 available
Available in stores
  • London Store - Out of stock
  • Bristol Store - Out of stock
  • Warehouse - 6 in stock

Order before 5pm to collect from your chosen store after 3pm the next working day.

Find out more about Click & Collect
£8.99
£8.99

Weems & Plath Chart Correction Template (9998)

Accessories & Instruments
Chart Correction Template contains the Region A & B IALA Maritime Buoyage symbols required for updating and correcting nautical charts. Keeping charts updated with the Chart Correction Template helps ensure the safety of your crew and vessel. Designed for use with a fine line pen, corrections to nautical charts can be made neatly and quickly with this simple-to-use stencil. These corrections then become a p...
In stock online
Online Stock:
4 available
Available in stores
  • London Store - 4 in stock
  • Bristol Store - Out of stock
  • Warehouse - Out of stock

Order before 5pm to collect from your chosen store after 3pm the next working day.

Find out more about Click & Collect
£7.99
£7.99

Portland Solid Brass 7" Single Handed Divider

by Blundell Harling
Portland Solid Brass Single Handed Divider 7" Traditionally designed with solid Brass finish and stainless steel points. Also available in 8" version and supplied in a blister pack. For more information or to enquire about Blundell Harling products, please email [email protected] .
In stock online
Online Stock:
4 available
Available in stores
  • London Store - 4 in stock
  • Bristol Store - Out of stock
  • Warehouse - Out of stock

Order before 5pm to collect from your chosen store after 3pm the next working day.

Find out more about Click & Collect
£14.50
£14.50

Speed-Time-Distance Calculator

by Blundell Harling
Speed-Time-Distance Calculator Simple to use slide rule which calculates the third variable given the other two (distance covered, given speed and elapsed time). Outer sleeve manufactured from high impact plastic. NATO size also available. For more information or to enquire about Blundell Harling products, please email us at [email protected] .
In stock online
Online Stock:
4 available
Available in stores
  • London Store - 4 in stock
  • Bristol Store - Out of stock
  • Warehouse - Out of stock

Order before 5pm to collect from your chosen store after 3pm the next working day.

Find out more about Click & Collect
£7.99
£7.99

Weems & Plath Paralock Plotter (90)

Accessories & Instruments
This compact GPS parallel rule is well-suited for use on small chart tables. The primary purpose of the ParaLock Plotter is to enable the transfer of GPS positions rapidly, easily, and accurately to and from any paper chart. This unique plotter features three unique design concepts: 1) The black locking knob is friction adjustable for fast lat/long transfers. It enables the two rulers to be fixed in any giv...
In stock online
Online Stock:
3 available
Available in stores
  • London Store - 3 in stock
  • Bristol Store - Out of stock
  • Warehouse - Out of stock

Order before 5pm to collect from your chosen store after 3pm the next working day.

Find out more about Click & Collect
£18.99
£18.99

Sextant in Case

Small Furniture
Made of brass, with wooden case. 15(L) x 15(W) x 8(H) cm. Charming sextant as used by Victorian explorers and surveyors. Intricate and semi-functional, it has all the pieces needed to shoot the sun. A sextant defined latitude. A clock longitude. Defining the angle of Sun and Stars with the horizon was an important way to navigate and survey. A beautiful, intricate instrument with an interesting and ancient ...
In stock online
Online Stock:
3 available
Available in stores
  • London Store - 3 in stock
  • Bristol Store - Out of stock
  • Warehouse - Out of stock

Order before 5pm to collect from your chosen store after 3pm the next working day.

Find out more about Click & Collect
£110.00
£110.00

Middy Bar Parallel Rule 400mm

by Blundell Harling
Middy Instructional - Bar Parallel Rule 400mm Budget version of the Captain Fields' Pattern Parallel Rule. Excellent buy for use in the classroom. Manufactured from 6mm acrylic and incorporates rigid aluminium links. Available in 400mm size only. For more information or to enquire about Blundell Harling products, please email [email protected] .
In stock online
Online Stock:
2 available
Available in stores
  • London Store - 2 in stock
  • Bristol Store - Out of stock
  • Warehouse - Out of stock

Order before 5pm to collect from your chosen store after 3pm the next working day.

Find out more about Click & Collect
£20.00
£20.00

Portland Protractor 125mm/5"

Stationery
by Blundell Harling
Portland Protractor 125mm/5" Douglas-type square pattern navigational protractor which can also be used as a simple parallel rule and plotter. Also available in 250mm/10" size. For more information or to enquire about Blundell Harling products, please email us at [email protected] .
In stock online
Online Stock:
2 available
Available in stores
  • London Store - 2 in stock
  • Bristol Store - Out of stock
  • Warehouse - Out of stock

Order before 5pm to collect from your chosen store after 3pm the next working day.

Find out more about Click & Collect
£12.99
£12.99

Weems & Plath Ultralight Divider and Compass (176)

Accessories & Instruments
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 feature a unique center adjustment mechanism that allows quick, precise one-hand operation. Both tips can be interchang...
In stock online
Online Stock:
2 available
Available in stores
  • London Store - 2 in stock
  • Bristol Store - Out of stock
  • Warehouse - Out of stock

Order before 5pm to collect from your chosen store after 3pm the next working day.

Find out more about Click & Collect
£13.99
£13.99

Dr Crabtree's Patent Observatory Magnifier

Accessories for Travel
Believed by some to have been designed in 1804 by the legendary British inventor and polymath Joseph Crabtree, the functional simplicity of his brass-and-glass domed "Observatory" magnifier has never been surpassed or needed modification.
In stock online
Online Stock:
2 available
Available in stores
  • London Store - 2 in stock
  • Bristol Store - Out of stock
  • Warehouse - Out of stock

Order before 5pm to collect from your chosen store after 3pm the next working day.

Find out more about Click & Collect
£18.99
£18.99

Weems & Plath Spare Leads for the Ultralight (7231)

Accessories & Instruments
Spare compass leads are available for Weems and Plath dividers (#176, 178 and 179). The reusable clear plastic case is a safe and convenient container for lead storage.
In stock online
Online Stock:
1 available
Available in stores
  • London Store - 1 in stock
  • Bristol Store - Out of stock
  • Warehouse - Out of stock

Order before 5pm to collect from your chosen store after 3pm the next working day.

Find out more about Click & Collect
£3.50
£3.50

Weems & Plath Original Bi-Rola Ruler (155)

Accessories & Instruments
The Bi-rola Rule is a rugged plotter that is used by professional navigators because it is quick and easy to use. The patented vertical and horizontal rolling motion simplifies course and plotting calculations.
In stock online
Online Stock:
1 available
Available in stores
  • London Store - 1 in stock
  • Bristol Store - Out of stock
  • Warehouse - Out of stock

Order before 5pm to collect from your chosen store after 3pm the next working day.

Find out more about Click & Collect
£65.99
£65.99

Weems & Plath 7" Single Handed Divider (170)

Accessories & Instruments
One Hand Dividers are used to measure the distance between two points on a chart using one hand. To measure a distance on a chart within the span of your dividers, place one divider pin on each point, then move the dividers, maintaining the spread, to the graphic distance scale on your chart or the latitude scale at the side margin.
In stock online
Online Stock:
1 available
Available in stores
  • London Store - 1 in stock
  • Bristol Store - Out of stock
  • Warehouse - Out of stock

Order before 5pm to collect from your chosen store after 3pm the next working day.

Find out more about Click & Collect
£19.99
£19.99

Portland Solid Brass 7" Straight Divider

by Blundell Harling
Portland Solid Brass 7" Straight Divider Traditionally designed with solid Brass finish and stainless steel points. Also available in 8" version and supplied in a blister pack. For more information or to enquire about Blundell Harling products, please email [email protected] .
In stock online
Online Stock:
1 available
Available in stores
  • London Store - 1 in stock
  • Bristol Store - Out of stock
  • Warehouse - Out of stock

Order before 5pm to collect from your chosen store after 3pm the next working day.

Find out more about Click & Collect
£14.50
£14.50

Weems & Plath 12" Parallel Ruler Brushed Aluminium Arms (140)

Accessories & Instruments
This sturdy 12-inch (30.48cm) parallel ruler with brushed aluminum arms is enscribed 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 rulers are connected to maintain the same angle. By walking the rules across the chart and securely holding down the non-moving ruler, you can effectively plot a course.
In stock online
Online Stock:
1 available
Available in stores
  • London Store - 1 in stock
  • Bristol Store - Out of stock
  • Warehouse - Out of stock

Order before 5pm to collect from your chosen store after 3pm the next working day.

Find out more about Click & Collect
£14.99
£14.99

Portland Navigational Triangle 200mm

Stationery
by Blundell Harling
Portland Navigational Triangle 200mm Features protractor markings and compass points with reciprocals in red. The scale is in millimetres and it is manufactured from strong acrylic. Can be used in pairs as a Parallel Rule. Also available in 230mm size. For more information or to enquire about Blundell Harling products, please email us at [email protected] .
In stock online
Online Stock:
1 available
Available in stores
  • London Store - 1 in stock
  • Bristol Store - Out of stock
  • Warehouse - Out of stock

Order before 5pm to collect from your chosen store after 3pm the next working day.

Find out more about Click & Collect
£8.99
£8.99
View
Sort by
View as

This site requires cookies for account access and purchasing. It looks like cookies are disabled in your browser. To find out more about our cookie usage policy click here then to find out about changing your browser cookie settings click here (This link opens in a window).

This site requires cookies for account access and purchasing. By using this site you give implied consent. For more infomation please review our use of cookies in our Cookie Policy and then Accept and Close this bar.

This site requires cookies for account access and purchasing. It looks like cookies are disabled in your browser. To find out more about our cookie usage policy click here then to find out about changing your browser cookie settings click here (This link opens in a window).

This site requires cookies for account access and purchasing. By using this site you give implied consent. For more infomation please review our use of cookies in our Cookie Policy and then Accept and Close this bar.