Making Pneumonia Vaccine At Walter Reed Hospital. #1 Shows Bottles Containing Beef Broth And Smaller Bottles With Vaccine Cultures Ready For The Change To Large Bottles In Sterile Room. #44 Chemist Waiting In His Bathrobe, Which He Will Throw Off To Enter The Room Nude And Put On Sterile Garments. #42 Chemists In Sterile Room, Putting On Their Sterile Robes.

Unknown Photographer1937-09