From:
John Frederick William Herschel
To:
Peter Mark Roget
Date:
3 June 1842
Source of text:
MM/16/151, Royal Society
Summary:
No summary available.
Contributor:
Royal Society
Showing 1–3 of 3 items
No summary available.
Construction of JH's new instrument for photographing spectral lines is still incomplete, and A. E. Becquerel has already announced discovery. JH will return £100 granted to JH by R.S.L.
Notes interest expressed by Macedonio Melloni in meteorological observations. Urges that R.S.L. Council give its attention to the mass of meteorological observations that have accumulated.