Telegraph Construction And Maintenance Company Limited

CORRESPONDENCE. Correspondence relating to the Portugal-Brazil cable and transactions with the Spanish Government and others, 21st January 1867 - 16th March 1911. Agreement between the Portuguese Government, Telcon and the Falmouth, Gibraltar and Malta Telegraph Company, 16th August - 12th November 1872. Electrical diagrams and instructions, 1st August 1873 - 1874. Brazilian Submarine Telegraphy Company, share prospectus, 5th february 1873