Carefully describes how to pack actinometers being shipped to India.
Showing 1–7 of 7 items
Carefully describes how to pack actinometers being shipped to India.
Forwarding copy of paper by Ernst F. W. Klinkerfues; EK purports to show that movement of a star toward or away from an observer will affect its refraction in an achromatic prism.
Agrees with GS's assessment of Ernst Klinkerfüss's paper [see GS's 1866-2-27].
Comments further on Ernst Klinkerfüss's work [see JH's 1866-2-28]; on the behavior of light emitted by an electric spark.
Comments against the paper of Ernst Klinkerfüss about observations of dispersed star light [see JH's 1866-2-24].
Further comments on Ernst Klinkerfüss's paper, in response to JH's 1866-2-28.
Comments on a letter GS received from Ernst Klinkerfüss, which leaves GS convinced of the basic correctness of the views of GS and JH.