• Bacteriology Lab 

        Contributor:Colorado Agricultural College
        Date:undated
        A man, bent over a workbench in a pharmaceutical lab, is preparing something.
      • Bacteriology Lab 

        Contributor:Colorado Agricultural College
        Date:undated
        Man looking into a microscope and making notations on paper.
      • Bacteriology Lab 

        Contributor:Colorado Agricultural College
        Date:undated
        A man at left works at a long counter on which stand many bottles and flasks; a woman at right stands near some large laboratory equipment; in the center of the room is another table with flasks and test tubes.