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RESEARCH OPTICAL BENCH
The Bed is a heavy cast iron with a strong central rib,thoroughly seasoned and aged before machining and grinding of its upper surface. Total length 180cms; with a machined full-length platform for the scale.
The scale is from lifetime stainless steel fitted on its machined platform on the bed. Divided in mms to a length of 170cms. Accuracy of calibration # 0.01%.
Four carriages are provided to carry the standard experimental accessories. Under- surfaces of carriages are machined true to fit the machined bed surface, and these machined surfaces are then jointly interground to give perfectly smooth sliding surfaces.
While inter-ground tests are surfaces are then jointly interground to give perfectly smooth sliding surfaces.
While inter-ground tests are carried out to ensure elimination of lateral shift during slide movements.
Stainless verniers fitted to the carriages read the scale to.01cm. The Biprism carriage is also provided with fine cross motion read by vernier to.01cm. Clamping arrangement is provided.
(a)OPTICAL SLIT: With finely ground stainless jaws, oil-ground & optically tested. Manipulation of jaw movement free from any spring control ensuring maintenance of original accuracy even after prolonged use. The following adjustments are provided for the slit and its carriage.
(b) BIPRISM HOLDER: Provided with the following adjustments:-
(c) MICROMETER EYE PIECE: Provided with following adjustment:-