School Blackboards: A History Timeline

There is perhaps no invention more iconic in the classroom than the blackboard. Here’s a look at the history of the blackboard.

History Lesson on School Blackboard Concept Stock Illustration - Illustration of learn, educational: 62498421

Electric Fans: A History Timeline

Volunteer Fourth Ward School Museum

Electric Fans: A History Timeline

Mayfield Central School District - History Timeline

US Time Zones: A History Timeline

History lesson on blackboard chalkboard hi-res stock photography and images - Alamy

Timeline Concept: Chalk White Watch Icon On School Board Background With Hand Drawing Time Icons Stock Photo, Picture and Royalty Free Image. Image 50848604.

US Time Zones: A History Timeline

Evolution of the chalkboard

The Blackboard timeline

History timeline rubric