R 603 Gui M Guingle, R L A modrem Spanish - English y English-Spanish tecnical y engineering dictionary, contsining all the words used in civil , mechanical and electrical engineering ., also many on aviation, wireless,architecture, ilways,automoviles,shiphuilding,marine, chemistry,phsics,matematics,geology,mining,metallurgy, geography, surveying, comerce,agriculture,textile machinery, machine-tools,etc., etc. Suitable for Spain and all the Spanish-speakin countries of Central América and South América by (cigue en ficha 2 )