000 00443nam a2200193Ia 4500
008 210210b1911 xxu||||| |||| 00| 0 eng d
041 _aeng
082 _a534/27
100 _aCLAY (Reginald S)
245 _aTreatise on practical light
260 _aLondon
_bMacmillan & Co. Ltd.
_c1911
300 _axv,519
650 _aTreatise
650 _apractical
650 _aon
650 _alight
690 _aPhysics
906 _a008515
999 _c126350
_d126350