[DUMBELL (John)]. A Letter to His Royal Highness the Prince of Wales, Regent of the United Kingdom of Great Britain and Ireland. [A Letter relative to Weights and Measures].1814

London: Printed by Richard and Arthur Taylor, Shoe-Lane, "Not Published", First Edition, title lightly foxed, 26 pp., modern cloth-backed marbled boards. Signed "John Dumbell, Mersey Mills, near Warrington, May 20, 1814." Goldsmith, 20873; COPAC finds the British Library copy only, OCLC adds copies at Princeton and the National Library of Australia.