G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
G09B29/00—Maps; Plans; Charts; Diagrams, e.g. route diagram
G09B29/10—Map spot or coordinate position indicators; Map reading aids
Landscapes
Engineering & Computer Science
(AREA)
Physics & Mathematics
(AREA)
Theoretical Computer Science
(AREA)
Mathematical Physics
(AREA)
Business, Economics & Management
(AREA)
Educational Administration
(AREA)
Educational Technology
(AREA)
General Physics & Mathematics
(AREA)
Photoreceptors In Electrophotography
(AREA)
Electrical Discharge Machining, Electrochemical Machining, And Combined Machining
(AREA)