Bulletins from Helwan

Download bulletin scans by clicking on their associated hyperlinks in the file column. Some bulletin scans span multiple years, and have large file sizes as a result.

Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec File Size
1914Seism_Bull_1914_Helwan.pdf14.18MB
1915Seism_Bull_1915_Helwan.pdf26.54MB
1916Seism_Bull_1916_Helwan.pdf27.02MB
1917Seism_Bull_1917_Helwan.pdf20.68MB
1918Seism_Bull_1918_Helwan.pdf18.89MB
1921Seism_Bull_1921_Helwan.pdf36.96MB
1922Seism_Bull_1922_Helwan.pdf30.13MB
1923Seism_Bull_1923_Helwan.pdf23.69MB
1924Seism_Bull_1924_Helwan.pdf18.12MB
1925Seism_Bull_1925_Helwan.pdf19.99MB
1926Seism_Bull_1926_Helwan.pdf19.53MB
1927Seism_Bull_1927_Helwan.pdf18.76MB
1928Seism_Bull_1928_Helwan.pdf37.38MB
1929Seism_Bull_1929_Helwan.pdf25.50MB
1930Seism_Bull_1930_Helwan.pdf22.72MB
1931Seism_Bull_1931_Helwan.pdf21.22MB
1932Seism_Bull_1932_Helwan.pdf38.00MB
1933Seism_Bull_1933_Helwan.pdf50.42MB
1934Seism_Bull_1934_Helwan.pdf33.32MB
1935Seism_Bull_1935_Helwan.pdf45.36MB
1936Seism_Bull_1936_Helwan.pdf54.56MB
1937Seism_Bull_1937_Helwan.pdf161.46MB
1938Seism_Bull_1938_Helwan.pdf208.73MB
1939Seism_Bull_1939_Helwan.pdf199.46MB
1940Seism_Bull_1940_Helwan.pdf239.94MB
1941Seism_Bull_1941_Helwan.pdf247.17MB
1942Seism_Bull_1942_Helwan.pdf175.79MB
1943Seism_Bull_1943_Helwan.pdf152.59MB
1944Seism_Bull_1944_Helwan.pdf132.76MB
1945Seism_Bull_1945_Helwan.pdf124.16MB
1946Seism_Bull_1946_Helwan.pdf170.66MB
1948Seism_Bull_1948_Helwan.pdf170.02MB
1949Seism_Bull_1949_Helwan.pdf206.46MB
1950Seism_Bull_1950_Helwan.pdf166.92MB
1951Seism_Bull_1951_Helwan.pdf137.63MB
1952Seism_Bull_1952_Helwan.pdf192.13MB
1953Seism_Bull_1953_Helwan.pdf304.01MB
1957Seism_Bull_1957_Jul-Dec_Helwan.pdf138.04MB
1958Seism_Bull_1958_Helwan.pdf227.81MB
1960Seism_Bull_1960_Helwan.pdf289.27MB
1961Seism_Bull_1961_Jan-Nov_Helwan.pdf240.88MB
1963Seism_Bull_1963_Mar-Apr_Helwan.pdf57.57MB
1969Seism_Bull_1969_Helwan.pdf88.37MB