000 00289nam a2200121Ia 4500
008 220201s1958 xx 000 0 eng d
082 _a620.0044
_bHUM
100 _aHume, KJ & Sharp, GH
245 0 _aPractical metrology
260 _bLondon: McDonald
_c1958
300 _a60
942 _2ddc
999 _c71209
_d71209