000			02256nam a2200457 4500
001			65a1cee55aa50
003			OCoLC
005			20240909204336.0
008			240107s1933 paua 000 0 eng d
035			_a(OCoLC)1416782163
040			_aNYHRS _beng _erda _cNYHRS _dOCLCO
041	1		_aeng _hfre
049			_aHRSA
100	1		_aKeelhoff, F. _q(François), _eauthor. _0http://id.loc.gov/authorities/names/n90640051 _94173
240	1	0	_aThéorie des courbes terminales du spiral. _kSelections _lEnglish
245	1	0	_aTheory of terminal curves for the hairspring / F. Keelhoff ; translated by G. Droz and William O. Bennett.
264		1	_aLancaster, PA : Hamilton Watch Company, 1933.
300			_a20, 5 pages ; _c27 cm
336			_astill image _bsti _2rdacontent
336			_atext _btxt _2rdacontent
337			_aunmediated _bn _2rdamedia
338			_avolume _bnc _2rdacarrier
500			_aEnglish translation of a portion of the original French work: Théorie des courbes terminales du spiral. Brussels : Académie Royal de Belgique, 1921.
562			_331560000080735 _b14553
590			_aTypescript (presumably unpublished), Part 2 dated 1933 and signed G.Droz, appendix dated 6/1/33 and signed W.O. Bennett of a English language translation of a highly technical, mathametical paper originally published in French (1927, as BHM 11749) on the mathematics of the theory of terminal curves in balace springs. (Source reportedly from the archives of the Hamilton Watch Company Lancaster Pa)
650		0	_aBalance springs. _0http://id.loc.gov/authorities/subjects/sh85011130 _96237
650		0	_aSpirals. _0http://id.loc.gov/authorities/subjects/sh85126732 _96823
650		0	_aClocks and watches _xDesign and construction.
653		0	_aWatch (general)
653		5	_aNot Geographic
653		3	_ahairspring termina curve
653		2	_aunpublished manuscript
653		2	_a watch balancewheel advanced theory
653		1	_aTheoryGeneral
653		1	_aKeelhoff, Fr.
787	0	8	_iExtract from (work) : _aKeelhoff, F. (François). _tThéorie des courbes terminales du spiral. _dBrussels : Académie Royal de Belgique, 1921.
942			_2lcc _cBK _n0
994			_aC0 _bNYHRS
998			_aReady for QC
999			_c4986 _d4986