000 00335nam a2200145Ia 4500
008 170101s1949 xx 000 0 und d
082 _a510.782 3 J51S
100 _aJOHNSON, Lee H
245 0 _aSlide rule
260 _bPrinceton, U.S.
_c1949
300 _a242p
650 _aSLIDE - RULE
653 _aSLIDE - RULE
942 _2ddc
_cB
999 _c3813
_d3813