Silva Expedition Compass With Luminous Mackintosh Probe Chinagraph pencils write on virtually

Chinagraph pencils write on virtually any surface — glass

field-ready

and general distance measurement across larger sites

site walkover surveys

Silva Expedition Compass With Luminous Mackintosh Probe Chinagraph pencils write on virtuallyThe Silva Expedition Compass is the upgraded professional grade compass for demanding field navigation. Building on the proven Ranger platform, the Expedition model offers improved accuracy, a larger baseplate for easier map work, and refined luminous markings for reliable use in low light and early morning site conditions. With an adjustable declination correction, clinometer, and magnifying lens, it provides everything a site investigation