00360nam a2200157Ia 4500008004000000041000800040082001100048100001400059245003300073260003900106650001300145650000700158650001400165650001100179700001200190210210b1902   xxu||||| |||| 00| 0 eng d  aeng  a515/24  aCOCKSHOTT  aTreatise on geometral conics  aLondonbMacmillan & Co. Ltd.c1902  aTreatise  aon  ageometral  aconics  aWALTERS