When I was a schoolchild, we still had spirit duplicators (aka "Ditto machines") at school, and worksheets were often dittoed.
Later on, though, the ditto machines were replaced by xerographic photocopiers.
When I was a schoolchild, we still had spirit duplicators (aka "Ditto machines") at school, and worksheets were often dittoed.
Later on, though, the ditto machines were replaced by xerographic photocopiers.