Chalkboard Erasers
![Nine felt board erasers, two with Baker labels and three labeled Costello Eraser](https://www.communitystories.ca/v2/education-beiseker-alberta_enseignement/wp-content/uploads/sites/148/2021/03/NMAH-AHB2011q41330.jpg)
Photo courtesy of US National Museum of American History (1982.0718 NMAH-AHB2011q41330)
Chalkboard erasers were a staple in most Canadian schools, along with sticks of chalk and the slate board that hung across the front and often along one side of the classroom.