G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
G09B27/00—Planetaria; Globes
G09B27/08—Globes
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Engineering & Computer Science
(AREA)
Astronomy & Astrophysics
(AREA)
Business, Economics & Management
(AREA)
Educational Administration
(AREA)
Educational Technology
(AREA)
Theoretical Computer Science
(AREA)
Developing Agents For Electrophotography
(AREA)
Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography
(AREA)