Polarizing Filter, Polarizing filter in wooden box. The filter consists of two parts: one is a brass tube with a round disc at each end, one of which is designed as an eyepiece. A wood-mounted prism is fitted in the tube. The other part is also a brass tube that fits in the first, and has a large round disc at one end, a prism is also provided in this section. Assembled, the pointer line on the disc of the first part opposite the eyepiece indicates the angle on the scale that is placed on the large disc of the second part: this scale ranges from 350 ° to 100 °. At 360 ° or 0 ° maximum polarization of the light is obtained., John Benjamin Dancer (mentioned on object), Manchester, c. 1880, wood (plant material), brass (alloy), iron (metal), glass, cloth, box: h 5.8 cm × w 10 cm × d 10 cm filter: h 4.2 cm × d 7.6 cm
Keywords:
Polarizing Filter, Polarizing filter, wooden box, filter consists, two parts, brass tube, round disc, designed, eyepiece, wood-mounted prism, fitted, tube, part, fits, first, large round disc, prism, provided, section, Assembled, pointer line, disc, first part opposite, eyepiece indicates, angle, scale, placed, large disc, second part, scale ranges, 350 °, 100 °, 360 °, 0 ° maximum polarization, light, obtained, John Benjamin Dancer, mentioned, object, Manchester, c, 1880, wood, plant material, brass, alloy, iron, metal, glass, cloth, box
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