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