000 00302pam a2200109a 44500
082 _a620
_bIL6B NO.141-50
100 _aIllinois. University
245 1 _aENGINEERING EXPERIMENT STATION. BULLETIN SERIES.
260 _aUrbana
_bUniversity Of Illinois Press
_c1924
964 _gCIRC
997 _a69664 s C
999 _c416134
_d416134