Jones and Lamson Mdl Epic 114 Optical Comparator, Decimetric Digital Position Readout, 14 in Dia Screen, 6 in x 30 in measuring table, 6 in Vertical Travel, 8 in Horizontal Travel, 1 1/2 in cross travel for focusing, 360 deg Angular Measuring capacity, Helix adjustment: 10 deg, distance lens centerline to table: 8 1/2 in max 2 1/2 in min, Features: Mercury arc projection, reflection attachment, power longitudinal table travel, power elevation, power 6 position lens turret, 10x 20x 50x 100x lens, decimetric II 2 axis digital readout system, light visor, electrical: 1/60/118 volt