31. [Mixing materials, preparing molds] Publication: 1944 Subject(s): Schools, MedicalLaboratory Personnel
32. Parasitology Diagnostic Laboratory Publication: 1944 Subject(s): LaboratoriesWomenSchools, MedicalLaboratory Personnel
33. Men working in the Parasitology Research Laboratory] Publication: 1944 Subject(s): LaboratoriesMilitary PersonnelSchools, MedicalLaboratory Personnel
34. [Bottling liquid plasma] Publication: 1944 Subject(s): LaboratoriesLaboratory PersonnelSchools, Medical
35. [Laboratory with three men in uniform] Publication: 1944 Subject(s): LaboratoriesMilitary PersonnelSchools, MedicalLaboratory Personnel
36. [Bacteriological Laboratory] Publication: 1924 Subject(s): LaboratoriesLaboratory PersonnelSchools, MedicalStudents, Medical
38. [Grinding dental apparatus] Publication: [195-?] Subject(s): Dental EquipmentLaboratory Personnel
39. [Designing dental apparatus] Publication: [195-?] Subject(s): Dental EquipmentLaboratory Personnel
40. [A suction system at individual stations] Publication: [195-?] Subject(s): Dental EquipmentLaboratory Personnel