A new elucidation of colours, original, prismatic, and material; showing their concordance in three primitives, yellow, red, and blue; and the means of producing, measuring, and mixing them : with some observations on the accuracy of Sir Isaac Newton ... By James Sowerby ...
Inscribed in ink on the title page 'To the Royal Academy. Presented by the Author, Ja Sowerby'
The front pastedown carries a 20th century Royal Academy bookplate