000 00399 a2200145 4500
080 _a551.53
_bB 968 L
245 1 _aLevelling of precision in India (1858-1909)
_cby S.G. Burrard
260 _aDehradun
_c1910
650 _aLevelling
650 _aPrecision
500 _aVol. XIX : The great trigonometrical survey of India
100 1 _aBurrard, S.G.
_d
300 _axiii, 484 p.
901 _a15213
999 _c30136
_d30136