Chemical Engineering Professor W.E. Galligan, Ralph H. Suebbers, (graduate student) and Dr. Max Levine (Bacteriology) examine clay rings (produced in Ceramic Engineering Laboratory) for sewage-treatment filters as part of a general station study).
Chemical Engineering Professor W.E. Galligan, Ralph H. Suebbers, (graduate student) and Dr. Max Levine (Bacteriology) examine clay rings (produced in Ceramic Engineering Laboratory) for sewage-treatment filters as part of a general station study).
