Description
8vo, pp. [viii], 87, [1] + 4 folding plates. Contemporary green marbled boards backed in black cloth. Scattered spotting. Some wear to edges, some sunning to top edges of boards.
£250
8vo, pp. [viii], 87, [1] + 4 folding plates. Contemporary green marbled boards backed in black cloth. Scattered spotting. Some wear to edges, some sunning to top edges of boards.
An early Danish work on the telegraph and Morse code, by a naval lieutenant who was credited with introducing the electric clock to Denmark. It appears unrecorded in both Library Hub and Worldcat, although the Huntington holds a copy.