Note 102 — Chapter XIV
Reading edition
The uncertainty affecting the best attainable results in weather-cycle investigation is rendered strikingly apparent by a comparison of the able and laborious papers by H. W. Clough (Astrophysical Journal, vol. xxii., p. 42), and C. Easton (Petermann's Geogr. Mittheilungen, 1905, Heft VIII., and Proceedings Amsterdam Academy of Sciences, June 24, 1905).