'Scientist Joseph Priestley dubbed the material he used as an eraser this'
rubber
THAT'S INVENTIVE!: Scientist Joseph Priestley dubbed the material he used as an eraser this
Scientist Joseph Priestley dubbed the material he used as an eraser this
Scientist Joseph Priestley dubbed the material he used as an eraser this
THAT'S INVENTIVE!
rubber
THAT'S INVENTIVE!