Photograph of the portuguese engineer and military Raul Augusto Esteves (1878 - 1955). This photograph was taken when he commanded the Regimento de Sapadores dos Caminhos de Ferro (Railway Sappers Battalion), promotion that was received in 1915. This photograph was published on the Gazeta dos Caminhos de Ferro magazine No. 1136, of 16th April 1935, and scanned by the Hemeroteca Municipal de Lisboa.