Scope and Contents Miscellaneous astronomical methods concerned primarily with the altazimuth and equatorial telescopes and the construction of piers for the transit circle, and mentioning mirrors, lenses and barrel and pendulum clocks. The correspondents include T. Barnaby, W.C. and G.P. Bond, I.K. Brunel, W. De La Rue, C.P. Smyth, C.A.F. Peters, J.T.R. Robinson, C. Wheatstone, J. Challis, E. Dunkin, M. Faraday, T. Grubb, W. Lassell, O.M. Mitchel, Lord Rosse and W. Simms. The volume includes a photograph of a...

Scope and Contents Correspondence on the workings of, repairs to, ratings of, and transactions involving chronometers. The volume includes papers on the Westminster Clock and Bell; addresses of chronometer makers; printed papers about Jurgensen and Sons, chronometer makers; new balance springs, 1859-1864; trials and ratings of chronometers for the Indian Store Department; a report on chronometers used aboard HMS 'Hecate'; and a letter by J. Rodwell Hux on the history of horology. The correspondents include...

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 magnetic observations, including papers on the establishment of a Magnetic Observatory in Greenwich Park and the benefits to astronomers of this research; specifications and accounts for the Observatory building; functions of the Magnetic Observatory and the provision of staff and equipment; extracts from Royal Society correspondence and minutes on magnetism and meteorology; a report on a letter by F.W.H.A.V. Humboldt concerning magnetic observations; the report of the...

Scope and Contents Correspondence regarding admissions to visit the Royal Observatory. The volume is divided broadly into requests from the Admiralty to visit the Royal Observatory; introductions on behalf of visitors; personal requests to visit the Observatory, including visits by Prince Arthur and Louis Phillipe d'Orleans; questionnaires for visitors; and instructions to assistants to receive visitors. The correspondents include J. Washington, G.H. Richards, W.G. Romaine, R. Grant, W. Thomson, J.R. Hind, W....

Scope and Contents Correspondence with tradesmen, initials N-W, including letters from booksellers; clock repairers; horologists; draughtsmen; instrument makers; opticians; parcel carriers; engineers; chemists; the Phoenix Gas Company; the Gutta Percha Company; customs; journeymen; ironmongers; a scrap-metal dealer; the Post Office; a stove maker; and an auditor. The letters cover various instructions; requests; accounts; bills; receipts; circulars; tenders; invoices; routine repairs; and adjustments and...

Scope and Contents

Correspondence with tradesmen, initials N-W, including letters from opticians; booksellers; stationers; engineers; and instrument makers. The correspondents include C.A.F. Peters and E. Sabine. There is a price list for writing on architecture and engineering; a diagram of the breech end of a telescope; and ten plans from Ransome and Sims of galvanic rings for the polar axis, a holdfast for the Dome, clamps and slow-motion apparatus for the Hour Circle, an observer's chair, etc.

Scope and Contents

Correspondence with tradesmen, including letters from bookbinders; booksellers; glass manufacturers; coal merchants; builders; engineers; and instrument makers. The correspondents include C.A.F. Peters and E. Sabine. There is a diagram showing the universal joints on the hand-gear for slow motion of the polar frame on the equatorial instrument at Greenwich, and a notice of the publication of an atlas by Sir H. James.

Scope and Contents Correspondence and papers regarding the determination of longitudes by means of telegraph. There are papers on the difference in longitude between Paris and Greenwich, with observations and transits for clock errors; U.J.J. Le Verrier's determination of the longitude of Le Havre; A. Loussedat's determination of the difference in longitude between Toulouse and Montpellier; the longitude of Glasgow; and the difference in longitude between Altona and Schwerin. There are also papers relating to...