7" Single Brass Dividers
1 × £18.00 1110 - La Coruna and Approaches
1 × £37.80 Meteorology Flip Cards
1 × £10.00 8" Single Brass Dividers
1 × £20.00 Subtotal: £85.80
£10.00 ex VAT
In Stock200mm set square features protractor markings and compass points with reciprocals in red, the scale is in millimeters.
1 in stock (can be backordered)
Portland Navigational Triangle 200mm
This 200mm set square features protractor markings and compass points with reciprocals in red, the scale is in millimeters. Manufactured from strong acrylic, this instrument is highly durable.
Portland Triangles are often used in pairs to form a parallel rule.
Also a useful training aid for students.
| Weight | 0.92 kg |
|---|---|
| Dimensions | 22 × 23.5 × 1 cm |
500mm, Captain Fields’ pattern parallel rule is divided with protractor markings (double reading) and compass points.
36 cards showing the Morse symbol, both letters and numerals, with the back of the card giving the meaning.
Used with one hand when measuring the distance between two points on a chart.
A bright blue directional arrow prevents accidental reciprocal bearings and the edges are graduated for tide and boat speed. Fixed grid base helps plotting lat. and long. from GPS
Pilot G-Tec C4 0.4mm
Staedtler eraser removes graphite marks from paper, matt drafting film or overhead transparencies virtually residue-free and with only minimal crumbling.
