From:
John Tyndall
To:
William Thomson
Date:
Undated
Source of text:
MS JT/1//1439, RI
Summary:
No summary available.
Contributor:
Tyndall Project
No summary available.
Has sent him the abstract on harmony. Further remarks on this.
No summary available.
Discusses the use of the stereoscope, including stereoscopic views of the moon and sun. Also discusses the appropriate stereoscopic angle.