The life story of the late Sir Charles Tilston Bright, civil engineer; with which is incorporated the story of the Atlantic cable, and the first telegraph to India and the colonies (1899)
Bright, Edward Brialsford, 1831-, Bright, Charles, 1863- · Westminster : A. Constable · leaf 94
eon the Electric Telegraph in the eighth edition of theEficydopcedia Brittanica, vol. xxi. (Edinburgh: A. & C.Black). 68 LAND TELEGRAPHS The general principle of this instrument con-sists in the sounding of two bells of differentpitch by different currents. The letters andwords are readily… … brights bell instrument. a is the hammer of the bell, held back to astop by a flexible spring. The rod of thehammer is fixed to the projecting horns of themovable soft iron core of an electro-mao-net b\This electro-magnet d is placed opposite to afixed horse-shoe electro-magnet b; and the…
Bright, Charles Tilston, Sir, 1832-1888 · Transatlantic cables · Telegraph
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
