| | | Clinometer 131 The popular clinometer for all types of vehicles. With two scales, one ± 35° and a fine tuning scale ± 5°. The 131 model is used on sailing | | 91B, 96 and 97 91B the popular Silva ruler. Single hand instant bearing and distance. Flexible plastic. Dimensions. Ruler graduated up to 10 NM. 96 | | |
| | | boats for checking the angle of heel and on powerboats for the power trim check. Art. No: 35188, Clinometer 131 | | and 97 the traditional protractor. With bearing and contra bearing. Dimensions: the 96, 242x171x171 mm. The 97: 328x232x232 mm Art. No: 67028, Ruler 91B Art. No: 67030, Protractor 96, 250mm Art. No: 67031, Protractor 97 320mm | | |
| | | Expedition 54 Top of the Silva range of traditional base plate compasses. It has a unique precision sighting system which allows for bearings accurate to ± 0.5 degrees to be taken! Add the same map measuring scales and silicon grip feet as on Ranger 4, and you have al top-of-the-range compass for the advanced user! Art:. No: 35852-1011, Expedition 54 | | Expedition 15 With an increased sized sighting mirror, this classic "expedition" compass has become even better. The Expedition 15 has a sighting hole in the mirror for the most accurate bearings, silicon rubber feet for maximum friction on a map when taking bearings and is equipped with Romer scales for plotting positions on maps and mm/ inch map measuring scales. Built-in magnifying | | |