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A handbook of the prismatic astrolabe : being a concise and practical guide to the employment of the instrument in the field, designed for the use of geographical and hydrographical surveyors ... / by John Ball and H. Knox-Shaw.
- 522.4 B1871
- Ball, John, 1872-1941.
- Government Press,
- 1919.
- Cairo :
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Notes on recent determinations of geographical positions in the Libyan desert / by John Ball.
- 916.12 B1871
- Ball, John, 1872-1941.
- Government Press,
- 1919.
- Cairo :
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Topography and geology of the phosphate district of Safâga (Eastern desert of Egypt) / By John Ball.
- 553.640962 B1871t
- Ball, John, 1872-1941.
- Government Press,
- 1913.
- Cairo :
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A brief note on the phosphate deposits of Egypt / by John Ball ...
- 553.640962 B1871
- Ball, John, 1872-1941.
- Government Press,
- 1913.
- Cairo :
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Vegetable fuel in suction gas producers / John Wells.
- 665 W4531
- Wells, John.
- Government Press,
- 1918.
- Cairo :
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Systematic error in spirit levelling / by J.H. Cole ...
- 526.36 C6891
- Cole, Julio Harold, b. 1955.
- Government Press,
- 1919
- Cairo :
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The development of horticulture in Egypt / by Y. Milad.
- Government Press,
- 1955.
- Cairo :
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Agricultural research and agricultural development in Egypt / by A.Z. Abul-Naga.
- Government Press,
- 1955.
- Cairo :
-
Egyptian agriculture / Propaganda and publication section, Agricultural extension department, Ministry of agriculture.
- Government Press,
- 1955.
- Cairo :
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Wheat in Egypt / Propaganda and publication section, Agricultural extension department, Ministry of agriculture.
- Government Press,
- 1955.
- Cairo :