Science
TYNDALL
(John, 1820-1893, Scientist)
Autograph Letter Signed to an unnamed correspondent
saying that he has made a great number of experiments similar to those that you describe, and have obtained brilliant colours. But in my case the effects were subjective, and it is not easy to understand your experiments from your point of view..., 2 sides 8vo., Royal Institution headed paper, 25th May no year
Background
From 1853 to 1887 Tyndall was professor of physics at the Royal Institution of Great Britain.
Stock No. 43550