000 00355nam a2200157Ia 4500
003 0STCL
008 150530s9999 xx 000 0 und d
040 _aSTCL
_cSTCL
100 _aClay, R.S.
245 _aTreatise on practical light
260 _bMacmillan
_c1911
546 _aEnglish
942 _2ddc
_cBK
999 _c27797
_d27797
005 20220125170116.0