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  • M137 Telescope Mount

    Model : Model:M137

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    General:

      Mount, Telescope:M137 is used to support the indirect fire Telescope, Panoramic:M115 on Gun, Field Artillery, Self-Propelled :175-mm, M107, and Howitzer, Heavy, Self-Propelled:8-inch, M110, It consists of the main housing, main mounting bracket, base assembly, telescope mounting bracket, quadrant seat assembly, clutch, elevation counter, correction counter, cross-level worm gearing;elevation, elevation correction and cross-level correction knobs;cross-level (cant) and elevation level vials;counter, indicator lamps;lamp bracket fitting, rheostat, rheostat switch knob, electrical wiring and contacts. It incorporates the mechanisms and controls necessary for instrument elevation for cant (cross-level) correction. A mechanical 4-digit decimal counter is used for registering elevation in place of the elevation scale and micrometer used on previous telescope mounts. The correction knob allows correction factors to be incorporated into the elevation counter readings without changing the actual position of the telescope mount. The built-in instrument lighting system derives power from the vehicle’s 24-volt systems.


     

    Characteristics

     

    item

    specification

    Length

    1 ft., 2 1/8 in

    Width(with quadrant seat &bolts)

    3/4 in

    Height

    1 ft., 1 in

    Weight

    38 lbs

    Movement

    Elevation:-89 to +1,333 mils
    Cross level (cant):±20∘
    Correction:
      Azimuth:±50 mils
      Elevation:±9 mils

    Incremental reading (counters)

    1 mil