Autograph Letter Signed, to Lord Avebury, about preparations for a journey to the Riviera. A good one page example, 7 x 4 inches. Rathmore Lodge, Bolton Gardens South, 15 November 1904. William de Wiveleslie Abney (1843-1920), astronomer, chemist, and photographer. Abney was a pioneer of several technical aspects of photography, and was the author of Instruction in Photography (1900).