IEEE Spectrum on MSN1d
Before the Undo Command, There Was the Electric Eraser
An electric eraser could also be a timesaver. In the days before computer-aided drawing and the ease of the delete and undo ...
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10 Best Electric Erasers
PREMIUM QUALITY-- Made from high quality plastic, durable and very convenient.It can be directly put into a school bag or handbag, you can use it anytime and anywhere. SIMPLE OPERATION-- Powered ...