Tangent Sight, A long extension bar, consisting of a square iron bar with a pyramid-shaped top with grooves running across it. A scale is placed on one side, from 8 to 30: the distance between the numbers is exactly 1 cm, anonymous, Netherlands, 1860 - 1870, iron (metal), l 34.4 cm × w 1 cm
Keywords:
Tangent Sight, long extension bar, consisting, square iron bar, pyramid-shaped top, grooves running across, scale, placed, side, 8, 30, distance, numbers, exactly 1 cm, Netherlands, 1860, 1870, iron, metal, l 34 4
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