Operator, Organizational, Field and Depot Maintenance Manual Geodimeter, Mapping and Surveys for Measuring Distance by Light Waves 50 KM Range, W/ Accessories (Svenska AB Gas Accumulator Model NASM-2A) FSN 6675-679-1341 Reflex, Geodimeter : Retrodirective Prisms 360 Degree Rotation; Tripod Mtd (Svenska AB Gas Accumulator Model Tpe A) FSN 6675-670-1340