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, metallurgy, chemistry, physics, geometry, abreviations and symbols, weights and measures, comound conversion factors, etc. and a method of telegraphic coding by which any entry in the dictionary can be expressed by a 10-letter cipher word with indicator and check
Kettridge Julius Ornan | Routledge & K. Paul | 1949-1950