000 00293nam a2200109Ia 4500
008 220201s1977 xx 000 0 eng d
082 _bILL
245 0 _aillustrated science and invention Encyclopedia How it Works
260 _aNew york
_bH.S. Stuthan Co.
_c1977
300 _a128
942 _2ddc
999 _c21329
_d21329