The localisation of faults in electric light mains : a handbook for central station engineers / F. Charles Raphael

Autor: Raphael, F. Charles

Guidance to the installation of telephone / Automatic Telephone & Electric Co. Ltd

A avaliação de desempenho / Direcção dos Serviços de Pessoal, divisão de Gestão Previsional; Telefones de Lisboa e porto

model answers to city and guilds of london institute examinations in elementary telecommunications practice : comprising answers to questions in elementary telecommunications practice in the years 1947 to 1955 / Post office electrical engineers' journal

model answers to city and guilds of london institute examinations in telecommunications principles II : including answers to similar questions in technical electricity, transmission and lines, and radio communication / Post office electrical engineers' journal

Telepac : Manual de acesso assíncrono