Skip to main content

Features

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

Departments

    Purchase To Read More

    Already purchased this issue? Sign In to Access
    Select Format
    October 13, 1877

    See the World from a Different Perspective

    Subscribe to Scientific American MIND