Correspondence map
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William Hopkins
John Frederick William Herschel

Autograph letter signed by sender. Has been absent from home, which accounts for his belated reply. Comments on John Frederick William Herschel's difficulties in relation to W. H. Hopkins's memoir on the external temperature of the earth. John Frederick William Herschel's son is progressing well.
7 February 1857 Sender: William Hopkins Reference number: HS/9/478
1860
Sir John Herschel publishes in the Proceedings of the Royal Society
1860: Sir John Herschel publishes some “Remarks on colour-blindness" extracted from a referee report on Pole’s paper on the same subject.
1861
Death of Margaret Louisa Marshall, née Herschel, daughter of John Frederick William Herschel and Margaret Brodie Stewart
1861
William Morris established the decorative design firm of Morris, Marshall, Faulkner & Company (later Morris & Company)
1861
Charles Dickens publishes Great Expectations as a three-volume book
1861
Sir John Herschel publishes Physical Geography as part of the Encyclopaedia Britannica.
1861
Abraham Lincoln begins his term as President of the United States
4 March 1861
1863

Autograph letter signed by sender. Has received the report on his paper on glaciers. Comments on one or two points. Hopes it will create interest in the subject.
6 February 1863 Sender: William Hopkins Reference number: HS/9/480