Notice as to the electrical and optical arrangements employed for the Commissioners of Northern Lighthouses, in experiments on the illumination of beacons at sea by electricity communicated through wires connected with the shore /
Stevenson, Thomas,1818-1887,
Commissioners of Northern Lighthouses (Great Britain)
Royal Scottish Society of Arts.
Edinburgh : Printed by William Blackwood and Sons,
[1867?]
Caption title.
"Read before the Royal Scottish Society of Arts at their meeting of 22d April 1867."
Beacons
Scotland Edinburgh.