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Cassel's new english dictionary with an appendix/ edited by Ernest A. Baker.
- 423 C3444c
- Cassell & Company,
- 1919.
- London :
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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 :