Tangent Sight, Attachment or Orientation Mounted to the Back of the Slot Elevation, The support is provided with a hook that engages in a square notch in the lock elevation, and is tightened with a screw from behind. A short square iron bar on top of a pyramid with grooves through the top, can move back and forth vertically. The set-up rod has two scales on opposite sides, one going from 0 to 5, the other from 0 to 4.5., anonymous, Netherlands, 1845 - 1865, iron (metal), brass (alloy), h 14.5 cm × w 11.5 cm × d 2 cm
Keywords:
Tangent Sight, Attachment, Orientation Mounted, Back, Slot Elevation, support, provided, hook, engages, square notch, lock elevation, tightened, screw, short square iron bar, top, pyramid, grooves, move back, forth vertically, set-up rod, two scales, opposite sides, going, 0, 5, 4 5, Netherlands, 1845, 1865, iron, metal, brass, alloy
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