000 00507nam a22001577a 4500
003 FRI
005 20220520102131.0
008 220520b |||||||| |||| 00| 0 eng d
082 _221st ed
_aP 625.11
_bIND/S
245 _aSpirit levels taken in the Punjab in the course of the operations of the great trigonometrical survey of india
260 _aLondon.-
_bThe office of the superintendent survey of india;
_c1869,
300 _a16p;
653 _aTrigonometrical
653 _aSurvey
942 _2ddc
_cEN
999 _c44240
_d44240