Thanks JH for helping to clarify origins of Louis Daguerre's use of hyposulfite of soda for fixing photographs. Provides further information on photography, particular solar microscope photography.
Thanks JH for helping to clarify origins of Louis Daguerre's use of hyposulfite of soda for fixing photographs. Provides further information on photography, particular solar microscope photography.
Memorial to the Chancellor of the Exchequer from the fellows of the Royal, Linnean, Geological, and Zoological Societies of London, stating the importance of separating the administration of the national natural history collections of the British Museum from that of the library and art collections, and placing it in the hands of one officer, immediately responsible to one of the Queen’s ministers.
Acknowledges receipt of £262 8s. 8d.
Had not heard they had suffered so much from the cattle plague in Lincolnshire.
The packet for Wilfred Heely has just been delivered and JM will arrange for it to be forwarded to Calcutta by the Mail steamer.