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Laurent's Half Shade Polarimeter
(LT-2121) |
It consists of two polaroids (one used as polariser and the
other as analyser), a laurent's half shade device and a
200mm observation tube of glass. The polariser and the half
shade are fixed at one end. The analyser at the other end
can be rotated along a circular scale graduated 0-360° with
a vernier reading to 6 min. A fine motion tangent screw is
provided for fine adjustments. |
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