English: Two metal ink erasers used to scrape dried ink writing on paper. These were used in an office context in the early 20th century, when most correspondence and record keeping were still done with ink and steel-nibbed pens.
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.