Printer PT 18 and PT 19 : user´s manual / Siemens
O espirito challenger / Rui Morais de Sousa; préf. Amândio da Fonseca
A brief survey of a large business / Plessey
List of oceanic depths and serial temperature observationd : received at the admiralty during the year 1898, from H.M surveying ships, indian marine survey and british submarine telegraph companie / Hydrographic Department