Scope and Contents Correspondence on the rates of, repairs to, trials of, sales of, regulations of, requests on, and ownership of chronometers. The volume covers chronometers for ascertaining a ship's speed; regulations for the testing of chronometers at Liverpool Observatory; mail guards' watches; accounts for chronometers and relevant charges; chronometers for the Indian Department and the Austrian government; the Burdett-Coutts prize for the best essay on balance-springs; and a Swiss report on chronometers...

Scope and Contents

Correspondence on the rates of, repairs to, damage to, ownership of, conversions to, and carriage of various chronometers. The volume covers the Burdett-Coutts prize essay for a compensation balance; problems with the Portsmouth sidereal clock; and proposals for a new electric turret clock at the University of London. The correspondents include F.J.O. Evans, H.C.G. Rümker, C.A.F. Peters, G.H. Richards, C. Wheatstone, C.V. Walker and W.B. Carpenter.

Scope and Contents Correspondence on the communication of time by telegraph to Exeter, Norwich, the Bank of England, Portsmouth, Plymouth and Southampton. The papers include complaints about alleged inaccuracies of the Liverpool Time Ball; a request for a clock for the Greenwich Hospital School Observatory; galvanic regulations of the clocks at the General Post Office and the Athenaeum; and the construction of sympathetic galvanic clocks. The correspondents include C.V. Walker, J.C. Clark, S.H. Northcote, G....

Scope and Contents

Correspondence concerning the clock for the New Palace at Westminster. The correspondents are mainly horologists, but there are also letters from the Department of Woods and Works. The volume includes a parliamentary paper titled 'A Return for a List of Papers relative to the Great Clock for the New Palace at Westminster', dated 24 June 1847, and pages from the 'Proceedings of the Institute of Civil Engineers' on Wheatstone's 'telegraph clock'.

Scope and Contents

Correspondence and papers concerning plans for improvements to clocks and chronometers, including extracts from R. Robert's patent, with plans for clocks and chronometers; articles from the 'Patent Journal and Inventors' Magazine'; improved pendulums; compensation balances and the use of electricity for clocks; a statement on the Royal Exchange Clock; and the requirements for chronometers on an Arctic expedition. The correspondents include C. Wheatstone and F. Beaufort.

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 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...