Scope and Contents

Undated financial accounts for various scientific studies, including the time ball at Deal; transit of Venus, 1874; New Lunar theory; Arctic expedition; Loan Exhibition of Scientific Instruments at South Kensington; reductions of Sydney, Roorkee, Adelaide and Melbourne; colonial transit of Venus results; longitude of Vienna and Berlin; and Mr Gill's expedition.

Scope and Contents Correspondence regarding the inspection, rating, supply and testing of watches, chronometers and clocks by the Royal Greenwich Observatory Chronometer Section, including the following items:Booklet on 'Balance and Spring' by R.A. Fell.Correspondence concerning quartz crystal chronometers supplied by the Seikosha Watch Company, Tokyo, Japan, 1963.Correspondence regarding the repair of mine clocks, 1962-1963.Correspondence regarding the historical chronometer...

Scope and Contents

Correspondence on the day to day running of the time ball at Deal and its telegraphic communications with Greenwich. There are also papers on the sale of the Deal naval dockyard and time ball; Airy's report on a visit to the Deal Time Ball; instructions and orders for W. Newby, the time ball attendant; and a poster explaining the Deal Time Ball service and the refurbishment of the time ball tower. The correspondents include W.G. Romaine, C.V. Walker and J. Field.

Scope and Contents

Correspondence on the day to day running of the time ball at Deal and its telegraphic communications with Greenwich. There are instructions on cleaning, repairs and failures of current between the Observatory and Deal, and correspondence with W. Newby, the time ball attendant, and with C.V. Walker.

Scope and Contents

Correspondence on the day to day running of the time ball at Deal and its telegraphic communications with Greenwich. There are instructions concerning routine work, repairs and failures of current between the Observatory and Deal, and correspondence with W. Newby, the time ball attendant, and with C.V. Walker.

Scope and Contents Report from G. Criswick regarding his visit to Deal to examine the apparatus of the time ball, 1877.Report from G. Criswick regarding his visit to Deal to examine the apparatus of the time ball, 1881.Letters concerning the sanitary alterations made at the Deal Time Ball tower, 1879.Letters regarding the widening of the roadway running past the Deal Time Ball tower, 1880.Correspondence with C.V. Walker regarding the failure of time signals,...

Scope and Contents

Correspondence regarding the time ball at Deal, much of it concerning the construction of the station. The correspondents include Sir F. Beaufort, J.T. Walker, W. Richards and A. Hall. The papers include a diagram of triangulation between St Peters, Thanet, Dover Castle and Paddlesworth.

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 (1) General correspondence regarding time balls, 1879-1893, including the following material:Correspondence regarding reprints, ordered by G.B. Airy in 1880, of articles from 'Nature', 1876, concerning the distribution of time signals.Correspondence, 1879-1880, regarding the Prussian Government's request for information on colonial time in South Africa, Canada, India, St Helena, Mauritius, Australia, Tasmania and New Zealand, and similar requests from the U.S. Hydrographic...

Scope and Contents Miscellaneous correspondence and related papers on the following subjects:Covering letter from W.H.M. Christie to a report by the Board of Visitors, received with thanks by C.A.B. Patey, 1888.Letter from W.H. Preece regarding Treasury matters, 1888.Mr Raikes' reply to a parliamentary question on the time service transmitted by J.W. Board, 1888.Letters from Christie to W.H. Preece regarding reforms of the time signal service, with letters of acknowledgement...

Scope and Contents

Correspondence with the First Assistant concerning the Deal Ball, chronometers, the conical pendulum, general instructions from Airy on Royal matters, etc.

Scope and Contents

Sent from Thomas Hedgcock to the Board of Longitude.

Scope and Contents From the Item:

24 letters, with related papers and observations.

Scope and Contents From the Item:

24 letters, with related papers and observations.

Scope and Contents

Originally enclosing the letter at [RGO 14/35: 295-295a].

Scope and Contents

Originally enclosing the letter at [RGO 14/35: 297-298].

Scope and Contents

Originally enclosing the letter at [RGO 14/35: 300-301].

Scope and Contents From the Item:

24 letters, with related papers and observations.

Scope and Contents

Originally enclosed in the letter to Thomas Hurd at [RGO 14/35: 294-294a].

Scope and Contents

Originally enclosed in the letter to Thomas Hurd at [RGO 14/35: 296-296a].

Scope and Contents

Originally enclosed in the letter to Thomas Hurd at [RGO 14/35: 299-299a].

Scope and Contents From the Item:

24 letters, with related papers and observations.

Scope and Contents From the Item:

24 letters, with related papers and observations.

Scope and Contents

Enclosing an example of his method for ascertaining longitude.