Scope and Contents

Correspondence with J. Washington, J.C. Clark and C.V. Walker and others regarding the time ball at Deal. There is also a plan of the magnets of the Deal Time Ball and two maps of the South Eastern Railway and connecting railways in Europe.

Scope and Contents

Correspondence on the day to day running of the time ball at Deal, its telegraphic communications with Greenwich, and the transfer of ownership from the Admiralty to the South Eastern Railway. The correspondents include C.V. Walker, J. Washington and C.E. Paget.

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...