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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″ Single Handed Divider Comprehensive instructions included
Portland Plotter Movable disc enables magnetic variation to be set on the instrument Movable arm is divided into millimetres Captain Fields’ protractor markings Comfortably covers the largest Admiralty Chart Pencil guide holes give precision loction Unique design ensures a truly parallel action Special “slip and grip” for ease of use Manufactured from clear acrylic 400mm…
Portland Navigational Triangle 200mm Features protractor markings and compass points with reciprocals in red Scale in millimeters Manufactured from strong acrylic Can be used in pairs as a Parallel Rule
Portland Navigational Triangle 230mm Features protractor markings and compass points with reciprocals in red Scale in millimeters Manufactured from strong acrylic Can be used in pairs as a Parallel Rule Also available in 200mm, here: Portland Navigational Triangle 200mm
Portland Protractor Douglas-type square pattern navigational protractor Can also be used as a simple parallel rule and plotter Available in 5″ (130mm)and 10″ (250mm)
Can be used on land maps Measures against the coastline rather than out to sea The center is used as a basic compass rose Scale is 1:500 thousand kilometers
PortlandSolid BrassSingle Handed Divider 7″ Traditionally designed Solid Brass finish Stainless steel points Also available in 8″ version Supplied in a blister pack
PortlandSolid BrassStraight Divider 7″ Traditionally designed Solid Brass finish Stainless steel points Also available in 8″ version Supplied in a blister pack
PortlandSolid BrassSingle Handed Divider 8″ Traditionally designed Solid Brass finish Stainless steel points Also available in 7″ version Supplied in a blister pack
PortlandSolid BrassStraight Divider 8″ Traditionally designed Solid Brass finish Stainless steel points Also available in 7″ version Supplied in a blister pack
Speed-Time-Distance Calculator Simple to use slide rule 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
At long last, here is a way to effectively practice taking sights without having a natural (sea) horizon, and without spending hundreds of dollars for a Professional Bubble Horizon. With this, you can use the same sextant you will take to sea, and use it in a normal manner to take sights from your backyard….
All the basic tools for charting and navigation are found in the Primary Navigation Set. The set features our best selling UltraLight Divider for measuring distance, a milled 12-inch (30.48cm) parallel ruler for determining accurate course lines, the Nautical Slide rule for speed and distance calculation and a navigator’s pencil. Kit includes one each of…
This extra-long solid brass pencil compass is perfect for the professional navigator using large charts. Because of its length, adjustable pencil mount and angled stainless steel point, the pencil compass can draw a 24-inch (60 cm) circle. This compass was designed by Weems & Plath and is made in Germany. 8-1/4 (20.96 cm) inches long…
Assembled with the serious navigator in mind, this Professional Mariner’s Navigator Kit includes seven marine navigation tools needed for safe and easy navigation, all stowed in our popular Navitote (325). his kit includes one each of the following items: NaviTote (325) ParaLock Plotter (90) Weems Parallel Plotter (120) UltraLight Dividers (176) Vectormaster (501V) Navigator’s Pencil…
Assembled with the serious navigator in mind, this Professional Mariner’s Navigator Kit includes seven marine navigation tools needed for safe and easy navigation, all stowed in our popular Navitote (325). his kit includes one each of the following items: NaviTote (325) ParaLock Plotter (90) Weems Parallel Plotter (120) 2x UltraLight Dividers (176) Vectormaster (501V) Navigator’s…
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 when determining lines of position. 7-3/4″…
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. The protractor scale on the triangle can aid…
An updated version of the Breton or Portland Plotters, the Weems Protractor has a movable compass rose grid that can be used to lay off a course or bearing, measure distance between any two points, plot position on a chart from a given set of coordinates, or determine coordinates of position on a chart. Updated…
When your Light Pen (1121) runs out of ink, purchase this refill. The Light Pen refill is a medium ball point with black ink. Black ink refill for Light Pen (1121) Length:4.2 in (10.67 cm) Width:0.1 in (0.25 cm) Height:0.1 in (0.25 cm) Weight:0.1 lb (0.25 cm) UPC Code:721002002440
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