French-English and English-French dictionary : of technical terms and phrases used in civil, mechanical, electrical and mining engineering, and allied sciences and industries including geology, physical geography, petrology, mineralogy, crystallography, mettalurgy, chemistry, physics, geometry, abbreviations and symbols, weight measures, compound conversion factors, etc.: and a method of telegraphic coding by which any entry in the dictionary can be exresses by a 10-letter cipher word with indicator and check /
by: Kettridge, J. O.
Published: (1973)
