List of oceanic depths and serial temperature observationd : received at the admiralty during the year 1896, from H.M surveying ships, indian marine survey and british submarine telegraph companie / Hydrographic Department
List of oceanic depths and serial temperature observationd : received at the admiralty during the year 1897, from H.M surveying ships, indian marine survey and british submarine telegraph companie / Hydrographic Department
Electrónica geral : tomo III- corrente continua pilhas e acumuladores; cógido tl.32.03, manual de estagiário / Formação em Telecomunicações
Conservação de 1º nível do teleimpressor siemens T1000 : código: tl. 01.07; guia do formador / Formação em Telecomunicações