From:
William Thierry (William) Preyer
To:
Charles Robert Darwin
Date:
9 May 1870
Source of text:
DAR 174: 68
Summary:
Sends his "Charles Darwin, eine biographische Skizze" [Das Ausland 2 Apr 1870].
Contributor:
Darwin Correspondence Project
Sends his "Charles Darwin, eine biographische Skizze" [Das Ausland 2 Apr 1870].
Thanks JH for mention of him in Outlines Astr. Sends detailed observations of Alpha Centauri system.
Describes difficulties in producing glass pen and attaching it to pendulum to produce precise curves for aligning equatorial [telescope mount]. Sent artistic sample to JH's wife.