Nomenclature Tertiary Object Term
StereoviewNomenclature Secondary Object Term
Print, PhotographicNomenclature Primary Object Term
StereoscopeNomenclature Primary Object Term
PhotographNomenclature Sub-Class
Visual Communication DevicesNomenclature Sub-Class
Graphic DocumentsNomenclature Class
Visual Communication T&ENomenclature Class
Documentary ObjectsNomenclature Category
Category 06: Tools & Equipment for CommunicationNomenclature Category
Category 08: Communication Objects