Comments on GS's ideas [see GS's 1856-6-27] about the nature of fluorescence. Asks for strong horseshoe magnets from R.S.L. to try to solve the problem of 'Mahomet's coffin.'
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Comments on GS's ideas [see GS's 1856-6-27] about the nature of fluorescence. Asks for strong horseshoe magnets from R.S.L. to try to solve the problem of 'Mahomet's coffin.'
Further thoughts [see GS's 1856-6-27] on the nature of fluorescence, including that it is a transient phosphorescence.
Continues comments on fluorescence from letter of 1856-7-8; then shows mathematically that JH's solution for the problem of Mahomet's coffin [see GS's 1856-7-1] will not work.
Thanks for the magnetic theory [see GS's 1856-7-9] and agrees it argues against JH's ideas about Mahomet's coffin. Describes some interesting magnetic experiments JH has seen.
Comments on one of the magnetism experiments JH described in his letter of 1856-7-14.
No summary available.