1. [Central Dental Laboratory] Publication: 1944 Subject(s): Dental EquipmentLaboratory PersonnelSchools, Medical
4. [Designing dental apparatus] Publication: [195-?] Subject(s): Dental EquipmentLaboratory Personnel
5. [A dental office with Ritter equipment] Publication: [194-?] Subject(s): Dental OfficesDental Equipment
7. [Grinding dental plates] Publication: 1944 Subject(s): Schools, MedicalDental EquipmentLaboratory Personnel
9. [Ritter equipment in a dental office] Publication: [194-?] Subject(s): Dental OfficesDental Equipment
12. [A suction system at individual stations] Publication: [195-?] Subject(s): Dental EquipmentLaboratory Personnel