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Tyndall, John in correspondent 
1860-1869::1868::11 in date 
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Herschel3526

From:
Sir John Herschel
To:
John Tyndall
Date:
[26 November 1868]
Source of text:
RS:HS 24.241 (C: RI 547-8)
Summary:

Thanks for paper on action of solar and electric light on vapors, which should give JT further insight into blue color of sky and polarization of skylight. Comments on the latter. JH's son [Alexander] is working hard at Glasgow.

Contributor:
John Herschel Project

Herschel3152

From:
John Tyndall
To:
Sir John Herschel
Date:
[27 November 1868]
Source of text:
RS:HS 17.403
Summary:

Is studying vesicles. JH's son [Alexander] may yet get Royal School of Mines appointment.

Contributor:
John Herschel Project

Herschel3635

From:
John Tyndall
To:
Sir John Herschel
Date:
[30 November 1868]
Source of text:
RS:HS 17.404 (C: RI 550)
Summary:

Observations on subjecting carbonic acid to concentrated beam of an electric lamp. Records experimental result so far. Interested in ordinary dust particles under electric light.

Contributor:
John Herschel Project
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