Scope and Contents Correspondence and papers concerning galvanism and electric clocks. The correspondents include C.V. Walker, A. Clarke, J. Muirhead, F.I. Scudamore, C. Wheatstone, C.E. Delaunay and S.P. Langley. The papers include a diagram of the gate of the electric clock at London Bridge, 6 December 1872; an extract from 'The Glasgow Daily Herald', 27 January 1866, on electric clocks and electrometers; an extract from 'The Royal Leamington Spa Courier', 17 March 1866, on C.T. Bright's electric clock;...

Scope and Contents Correspondence and papers concerning telegraphic communications, including several diagrams of galvanic wires in the Galvanic Room, basement and Front Court at the Royal Observatory, Greenwich; papers on galvanic circuits connected to clocks at the Royal Observatory; maps of principal galvanic wires in the Observatory Park and grounds; material on connections to the South Eastern Railway; papers on American transit equipment and telegraphs; patents for electric clocks by Messrs Barwise and...

Scope and Contents Correspondence and papers on telegraphic communications, including the conditions of use of telegraph wires between the Admiralty and the South Eastern Railway; proposed arrangements of galvanic wires and circuits for working the sympathetic clocks; the circuit and plan of the galvanic wires in the Lombard Street Post Office; various improvements and efficiencies in the telegraph; a report on the working of galvanic apparatus at the Royal Observatory; sketches of the automatic switch for the...

Scope and Contents Correspondence and papers on telegraphic communications, including the failure of signals and breakdown of equipment; the agreement for use of the telegraph between the Admiralty and South Eastern Railway; renewal of telegraph wires in Greenwich Park; three samples of proposed cables, one being a specimen of Caoutchouc cable, with patent; notes on the arrangement of overhead wires; adjustments to the Greenwich sympathetic clock; R.L. Jones' system of clock regulation by electricity; a theory...