Copy letter from [James Hopwood Jeans,] Secretary of the Royal Society; to Mrs. [Clare] A. Harris; Royal London Ophthalmic Hospital, City Road, E.C. Informs Mrs. [Clare] A. Harris that the Glassworkers' Cataract Committee were recently informed of her desire to undertake research into the colloidal chemistry of the crystalline lens, and that they invite her to do so at a remuneration of £50. 7 January 1921