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Description is exactly The bullseye condenser is made from cast iron and brass. The base is weighted cast iron, with a ring of brass around the pillar with "R&J BECK Lt. LONDON." etched into it. The instrument would have been used to direct and intensify light from a flame or lamp for the observation of a specimen under a microscope. The magnifying glass is connected to a brass arm which is attached to the pillar by a ball and socket joint. The underneath of the base is lined with red velvet.
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