f 5414°. Butif a thin ple, with single in place of double lens objectives. Dr. plate of mica or other biaxial mineral is placed in the path Schroeder has been very successful in the manufacture of of this ray it will not only be rendered visible, but be beau- lenses; but his proposal failed to… … beveled gear wheels. Wings, B, are attached to the vertical shaft and agitate the contents of the kettle. The lower end of the vertical shaft is boredaxially, and diagonal channels lead from the central, longitudinal channel. Through these channels steam, at a pressure of five or more atmospheres,…
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