Just received JH's report on GS's paper on refrangibility of light. Elaborates on lavender and brown rays.
Just received JH's report on GS's paper on refrangibility of light. Elaborates on lavender and brown rays.
Comments on color as a sensation, and on GS's thoughts on 'lavender rays.'
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Advises GS against spending £800 to verify the available drawings of Saturn; instead JH suggests alternative methods.
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Declines to serve on experimental committee for R.S.L.
Agrees to help in other ways than as committee member [see JH's 1855-2-25].
Asks GS about ordering instruments from [George] Wilson.
Inquiring about the cost of instruments being shipped.
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