000 00588cam a22001691 4500
082 _a628.952
_bJEN
_cL-24, P-12
100 1 _aJennings, William Munro.
_942068
245 1 0 _aPercussion drilling rigs and tools for shallow water wells,
_cby W. M. Jennings.
260 _aLondon,
_bThe Technical Press ltd.,
_c1934.
300 _axii, 91 p.
_billus., diagrs.
_c22 cm.
500 _aAdvertising matter: p. ii, vi, 87-91.
526 _a0
_b0
_c0
_d628_952000000000000_JEN
650 0 _aDrilling and boring machinery.
_926987
650 0 _aMCE
_9379
650 0 _aWells.
_925107
942 _2ddc
_cBK
999 _c546052
_d546052