000 00436 a2200133 4500
040 _aP K Kelkar Library, IIT Kanpur
082 _a510.83
_bM184f2
245 1 _aMachinery's five-figure log book (direct reading)
_bincluding logarithmf of trigonometrical functions
250 _a2nd enl.
260 _aLondon
_bMachinery Publishing
_c
300 _a1v. (various pagings)
650 _aTrignometry -- Functions
997 _a1394 C
999 _c451729
_d451729