Revue Brown Boveri / Société Brown Boveri & Cie.
Relatório e contas / Asilo de D. Pedro V para a Infância Desvalida no Campo Grande Lisboa
The English Electric Journal / The English Electric Company
Revue Landis & Gyr / Landis & Gyr
An almanack / Joseph Whitaker (ed.)
Load : ideas and information for power sales engineers / Clifton A. Walter (ed.)