Stationary steam engines : especially as adapted to electric lighting purposes / Robert Lighting Purposes
Essais et vérifications des canalisations électriques : en fabrication a la pose et en exploitation / par Paul Charpentier
Practical physics : for schools and the junior students of colleges / Balfour Stewert; W. W. Haldane Gee
Livro de homenagem ao prof. Fernando Frade : por ocasião do seu 70o aniversário / [ed.] Junta de Investigações do Ultramar