Atlantic Cable. "Night Signals." 4 pp. bifolium.
Atlantic Cable Squadron Night Signals
A list of signals used by the Atlantic Cable Squadron in 1858 when laying the first transatlantic telegraph cable. Diagrams of lantern positions, accomodations "in case of fog," and list of ships of the squadron--the Niagara, Agamemnon, Susquehanna, Leopard, and Cyclops.