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New Microscopic Attachment

A Simple Device for the Illumination of Balsam-mounted Objects for Examination with certain Immersion Objectives whose “ Balsam Angle” is 90° or upwards

By J. J. Woodward

Impromptu Sentiment

Delivered at the opening festival of toke New York Chess Club, October, 1856

By D. W. Fiske


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    October 13, 1877

    See the World from a Different Perspective

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