From:
Leonard Darwin
To:
Charles Robert Darwin
Date:
7 Jan 1878
Source of text:
DAR 209.8: 153
Summary:
LD’s chemical analysis of lamp-black.
Contributor:
Darwin Correspondence Project
From:
Leonard Darwin
To:
Charles Robert Darwin
Date:
8 Jan 1878
Source of text:
DAR 186: 33
Summary:
Has been testing lamp-black for ammonia.
Contributor:
Darwin Correspondence Project
