Brett, John Watkins: On the origin & progress of Brett's submarine and subterranean electric telegraph : with a few brief facts, and the opinions of the press. [s.l.] : [s.n.], [185.?]
- PDF Vorderdeckel
- PDF Titelblatt
- PDF Contents.
- PDF Preface.
- PDF A fac-simile of the letter printed by the Telegraph in 1845.
- PDF Negociations with the English and foreign governments, for aid to establish Oceanic telegraphs between England, the continent and the colonies.
- PDF The Atlantic telegraph.
- PDF Opinions of and extracts from the press.
- PDF Rückdeckel