000			02190nam a2200421 4500
001			657f15fe73bce
003			OCoLC
005			20240909204335.0
008			231216s2008 enka b 001 0deng
035			_a(OCoLC)1414501615
040			_aNYHRS _beng _erda _cNYHRS
049			_aHRSA
100	1		_aHeskin, David, _eauthor. _0http://id.loc.gov/authorities/names/nb2007023753 _97352
245	1	0	_aSleeping in oblivion : _bJohn "Longitude" Harrison's forgotten masterpiece / _cDavid Heskin.
250			_a2nd edition.
264		1	_aLoughborough : _bSoptera, _c2008.
300			_aviii, 201 pages : _billustrations ; _c30 cm
336			_astill image _bsti _2rdacontent
336			_atext _btxt _2rdacontent
337			_aunmediated _bn _2rdamedia
338			_avolume _bnc _2rdacarrier
500			_aIncludes bibliographical references and index.
562			_331560000080057 _b13687
590			_aA detailed account, including dimensioned technical drawings and many photographs of an early 21st century attempt to build a replica of the the legendary 'last (unfinished) regulator' built by John Harricon (circa 1774-1776) prior to his death (now in the posession of the Royal Astronomical Society, finished in the 1920s by Rupert Gould). The author tries to build a dimesnional and functional equivalent , to analyse its propereties systematically amf to replicate the legedary performance claims (in Harrisons last manuscript 1775: "A Description concerning such mechanism..."), but at times used modern materials and manufacturing techniques not available at Harrisons times. Countless drawings and photographic illustrations.
600	1	0	_aHarrison, John, _d1693-1776. _0http://id.loc.gov/authorities/names/n85089507 _94545
650		0	_aClock and watch making _zGreat Britain _xHistory.
650		0	_aLongcase clocks _xDesign and construction.
653		0	_aFloor clock
653		5	_aUnited Kingdom
653		3	_aHarrison RAS
653		2	_aSoperta Publications, Loughbotough, Leicestershire
653		2	_aprecision specific clock
653		1	_aMaking Craft
653		1	_aHeskin David
942			_2lcc _cBK _n0
994			_aC0 _bNYHRS
999			_c4934 _d4934