An edition of Observations made at the Blue Hill Meteorological Observatory, Massachusetts, U.S.A., in the year 1893 (1894)

Observations made at the Blue Hill Meteorological Observatory, Massachusetts, U.S.A., in the year 1893

under the direction of A. Lawrence Rotch : with appendices containing studies of the short, wave-like pressure oscillations and of the average weather conditions in a period of 26.68 days

By Abbott Lawrence Rotch,Edward C. Pickering