000 00303pam a2200109a 44500
082 _a620
_bIL6V NO.181-190
100 _aIllinois. University
245 1 _aENGINEERING EXPERIMENT STATION. BULLETIN SERIES.
260 _aUrbana
_bUniversity Of Illinois Press
_c1928
964 _gCIRC
997 _a69666 s C
999 _c415252
_d415252