From:
Sir John Herschel
To:
John Herschel (son)
Date:
n.d.
Source of text:
JHS 6.65
Summary:
About changes in metals due to frequent expansions and contractions, and about the health of JH's son William.
Contributor:
John Herschel Project
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About changes in metals due to frequent expansions and contractions, and about the health of JH's son William.