000 00415 a2200157 4500
005 20161111153656.0
008 161111b xxu||||| |||| 00| 0 eng d
040 _cIITK
041 _aeng
082 _a510.8
_bUn28n
245 1 _aNATURAL SINES AND COSINES TO EIGHT DECIMAL PLACES
260 _aWashington
_bU. S. Govt. Print. Off.
_cc1942
300 _a541
650 _aTrigonometry. Tables, Etc
942 _cBK
999 _c454813
_d454813