Signedon vertical spoke: SHORT & MASON LTD / LONDON
paper Label on inside of lid of box: WILLIAM BOND & SON / FINE WATCHES/AND CLOCKS / 4 CONGRESS ST. / BOSTON
FunctionWind speed detector. "For measurement of air currents through mines, tunnels, sewers, and the ventilation of hospitals, public buldings, etc. Also for giving surface wind velocities int he open for meteorolgical & aviation purposes." Chas. Bruning Co. Inc. Catalogue 1921
ProvenanceFrom the Agassiz Station, Harvard College Observatory. Brought to the Collection in 1967.