Sends JH's 1823 paper 'Absorption of Light by Coloured Media' to Royal Society of Edinburgh. Approves DB's illustration of polarized light in mineral apophyllite. Corrects DB's quotation from JH's letter regarding crystals observed on Mont Blanc.
Sends JH's 1823 paper 'Absorption of Light by Coloured Media' to Royal Society of Edinburgh. Approves DB's illustration of polarized light in mineral apophyllite. Corrects DB's quotation from JH's letter regarding crystals observed on Mont Blanc.
No summary available.
Has been absent and is sending letter he found on return, and a copy of his own remarks on J. J. Littrow's formula. Regarding the best method of procuring the Memoirs. Can lend him a copy of W. T. Brande's Journal if he would like it.
Sends payment for packet of books.
Invites RJ to meet James Grahame, who is joining JH for trip to Netherlands. Return Éphémèrides du citoyen directly to Grahame. Describes return to Cambridge by JH, George Peacock, and William Whewell after their visit with RJ at Brasted. JH's sketch of Brasted Church. Alludes to [death of Grahame's first wife and oldest daughter].
Will come to town to meet [James] Graham[e?]. His books arrived safely for which he was very grateful. Does he know of any Dutch collections on the East Indies?
Query regarding the construction of a model of a machine for CB. CB's letter to Humphry Davy about his engines. He will be visiting the Netherlands shortly. P. S. Laplace has sent him details of his recent researches into gases. Hopes the family are well after their recent visit to Devon.