Howlett anemograph by Elliott Bros., 1868 type. Howlett anemograph by Elliott Bros., 1868 type. 1868-1893
Recording portion of Dines' original pressure-tube anemograph, by Munro, 1893 Recording portion of Dines' original pressure-tube anemograph 1893
Anemograph designed by William Henry Dines and bulit by by Robert W. Munro, London, England, 1890. Dines type anemograph, British, 1890 1890