Manual General Uralita / Uralita Sociedad Anónima
Manual del capataz de la construcción y obras publicas / Hidroeléctrica Moncabril, S.A.
Manual "standard" del ingeniero electricista / Archer E. Knowlton, R. M. Shoop; trad. de Manuel Gabarró Freixas, Francisco Arguimbau
Instructions for the running & maintenance of Belliss & Morcom steam engines / Belliss & Morcom LTD
Electrical engineers reference book : a comprehensive work of reference, providing a summary of latest practice in all branches of Electrical Engeneering / Coord. E. Molloy
Hydroelectric handbook / William P. Creager , Joel D. Justin
Network analyzers : manual / General Electric
Manual do electricista / Alberto de Castro Ferreira (pref.)
Tool engineers handbook : a reference book on all phases of planning, control, design, tooling, and operations in the manufacturing industries / ed. lit. Frank W. Wilson; sob revisão da American Society of Tool Engineers
Manual de serralharia mecânica / Pref. João Sequeira de Castro
Piping handbook / Sabin Crocker
Manual C.E.L. : guia prático do profissional electricista / Pref. Fábrica Nacional de Condutores Eléctricos , Lda.