Beschreibung:

HARRISON, John (1693-1776). A description concerning such mechanism as will afford a nice, or true Mensuration of Times; together with some account of the attempts for the discovery of the Longitude by the Moon: as also an account of the discovery of the scale of musick . London: for the author and T. Jones, 1775. 8 o (197 x 127 mm). Half-title (occasional minor foxing). Modern buckram library binding. Concerning pendulums and their escapements, with references to the author's watch for the longitude, and his complicated proposed theory of music, based on the figure FIRST EDITION. G.H. Bailliie, Clocks & watches (London, 1951), p.298; J. Bromley, The clockmaker's library (London, 1977), 412; Norman 1000. [ Bound with :] MUDGE, Thomas (1760-1843). A narrative of facts relating to some time-keepers, constructed by Mr. Thomas Mudge for the discovery of the longitude at sea . London: for Thomas Payne 1792. 8 o. Half-title. FIRST EDITION. Thomas Mudge junior's defence of his father's marine chronometer, which failed to win the 10,000 prize offered by Parliament for finding longitude due to mishandling in testing by the Astronomer Royal Nevil Maskelyne (see Lots ****). Baillie, p.338; Bromley 601; Norman 1563. [ Bound with :] WALES, William (c.1743-1798). The method of finding the longitude at sea, by time-keepers: to which are added, tables of equations to equal attiudes . London: C. Buckton for the author, and others, 1794. 8 o. Folding engraved plate by Neele. (Occasional very minor foxing to text). FIRST EDITION. Baillie, p.350; Bromley 866; Norman 2174. [ Bound with :] Report from the Select Committee of the House of Commons, to whom it was referred to consider of the report which was made from the Committee to whom the petition of Thomas Mudge Watch-maker, was referred . [London: n.p., 1793]. 8 o. (Title-page browned). 2 folding printed tables. FIRST EDITION. As well as defending his father's marine chronometer by criticising Maskelyne, Mudge petitioned Parliament to recognise his father's work. A Committee found favorably towards him, and despite objections by the Board of Longitude, Parliament awarded him 2,500. Baillie, p. 345; Bromley 656; Norman 1564. Provenance : Musueum of Sciences and Industry (gilt on spine; embossed on O2 of Wales' Method ).