Magnetic Observations in Egypt 1895-1905, with a Summary of Previous Magnetic Work in Northern Africa. (Survey Department Paper No. 6). [AND:] Magnetic Observations, Made April to December, 1907, at Helwan Observatory. [AND:] Magnetic Observations, Made During 1908 at Helwan Observatory. [AND:] Standardization of the Magnetic Instruments at Helwan Observatory During 1907. (Survey Department Paper No. 8). [AND:] A Discussion of the Observations on Atmospheric Electricity at Helwan Observatory from March 1906 to February 1908. (Survey Department Paper No. 10). [AND:] The Climate of Abbassia near Cairo. (Survey Department Paper No. 3). [AND:] Evaporation in Egypt and the Sudan. (Survey Department Paper No. 15). [SEVEN VOLUMES].
Keeling, B. F. E.; H. E. Hurst. (Ministry of Finance, Egypt).
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