A group of papers which appear to have been gathered by Maxwell's cousin Elizabeth Cay Dunn and her family. This includes two pieces of juvenilia: a pen-and-ink drawing dated 1845 of two small figures in a boat on a pond is signed JCM 1845 with a note on the verso that it was bequeathed by his cousin William Dyce Cay to his niece Isabel Dunn. A watercolour at home card reads "James Clerk Maxwell at home Saturday evening Seven o'clock" in a childish hand with an image of the front door of 31 Heriot Row, Edinburgh.
There are 15 sheets of geometrical designs in pencil with watercolour overlaid and one round colour top with designs on both sides of a stiff card and a string through the centre. Two other designs on paper are round with small holes in the centre. The other designs are of multiple colours and have pin pricks in them in various places. One of these watercolour shapes is a cut out paper lattice.
A photograph depicts Maxwell with a colour top, aged 24, and a print of the birthplace of Sir Isaac Newton in Woolsthorpe, drawn by Samuel Sparrow, and engraved by T. Tinkler is dated 1772.
A letter from James Clerk Maxwell to Lizzie [Elizabeth Cay, later Dunn] dated 27-28 May 1858 contains details of preparations of his wedding to Katherine Dewar on 2 June.
A newspaper cutting refers briefly to Maxwell's Rede Lecture, "On the Telephone" at the Senate House in 1878.
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