MC 1004 Clinometer Wyssen MI 4007 Universal Compass Meridian Tripod Meridian Tripod Attachment for a Prism Compass Meridian Suspension for Pendulum Measuring Instruments Meridian Suspension Ring and Threaded Bracket MK-2001 Prismatic Compass MS-8801 Simple Monopod Meridian Pole Tripod with Rotatable Head