Brochura em bom estado, algumas páginas amareladas devido a ação do tempo, faltando a foto da capa. 32 páginas de texto, mais as páginas de ilustração 32 x 25 cm. The first world war had been a traumatic experience for all in the telecommunications business. The capacity of the cables simply was not up to the demand and if one was damaged, the threat of a U-boat attack made repair almost impossible. In the latter part of the war staff were working 16 hour days and when one cable went out of service it came as a relief to all, even if not to the customers for whom communications was critical. Lv