Silva Expedition 15 Compass

The Expedition 15 is a a classic sighting compass with a magnifying mirror and housing.

The mirror also has a sighting hole on the lower edge and rubber feet on the baseplate for stability if used on a surface.

The scales are in milimeters and inches and are accompanied by romer scales of 1:50,000 and 1:25,000 for all Ordnance Survey maps.

• 1:25,000 and 1:50,000 romer scales
• Sighting hole
• Magnifying mirror
• Steady needle

I've been using the Silva 15 TDCL since 1980. Bought my first one for geological field work, for which the lab's workshop fitted a level bulb onto it. The sighting system with the line in the mirror and over the plate actually doubles your sighting length, which makes your bearings very precise. I s... » more...

Excellent piece of kit. Doubles as both the standard Silva, and with the mirror acts like a prismatic. There is a sighting line at the 180 degrees mark as well, I found myself using this and the mirror more and more as I went on. There is a mag. deviation adjusting screw, and a clinometer built in a... » more...