Combines a liquid damped precision compass and clinometer in one compact, rugged aluminum housing that protects against impact, corrosion, and water. Clinometer scale is graduated in percent and degree (0-90°, 0-150%); compass scale is in azimuth (0-360). The compass is balanced for global use and is graduated in 1/2° increments, and the clinometer is graduated in 1°/1% increments. Both compass and clinometer are individually calibrated. Engraved inch scale and cotangent and cosine tables to 45 on the back. Threaded tripod socket. Includes case and lanyard.