From:
Sir John Herschel
To:
James Booth
Date:
[2 December 1856]
Source of text:
TxU:H/L-0101; Reel 1054
Summary:
Compliments JB on publication of 'Trigonometry of the Parabola.' Recalls JH's papers on catenaries.
Contributor:
John Herschel Project
Compliments JB on publication of 'Trigonometry of the Parabola.' Recalls JH's papers on catenaries.
Would be inclined to try a combination of cryolite and silex to obtain a glass. Comments on his process for decomposing alumina by cyanide of sodium. Sorry to see that FK uses the current forms of chemical notation.
Letter of introduction for the Drs. Hermann and Robert Schlagentweit, whose scientific interests parallel JF's.