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Darwin, C. R. in correspondent 
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DCP-LETT-1727

From:
Charles Robert Darwin
To:
Robert Hunt
Date:
22 July [1855]
Source of text:
American Philosophical Society (Mss.B.D25.)
Summary:

Mentions RH’s book on light [Researches on light in its chemical relations, 2d ed. (1854)]. Asks about coloured glass used in experiments on plants.

Contributor:
Darwin Correspondence Project

DCP-LETT-1734

From:
Charles Robert Darwin
To:
Robert Hunt
Date:
31 July [1855]
Source of text:
Bonhams (dealers) (28 September 2004)
Summary:

Mentions experiments on plants involving coloured glass. Encloses correspondence from glass maker and asks advice.

Contributor:
Darwin Correspondence Project
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