| 11. | Ray-Jones was an etcher and a meticulous draughtsman.
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| 12. | Haskell exhibited with the Brooklyn Society of Etchers from 1916 to 1922.
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| 13. | The Chicago Society of Etchers donated both works from 1935.
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| 14. | In 1923, he helped to found the Charleston Etchers'Club.
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| 15. | He was a clever etcher, and engraved several of his own works.
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| 16. | This is also done in a special plasma etcher, called an asher.
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| 17. | Vignon was active as an etcher throughout his career.
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| 18. | He was among the first etchers to use copper rather than iron plates.
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| 19. | He may also have been active as an etcher and painter of glass.
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| 20. | These include an remarkable disquisition on the craft of the etcher that concludes:
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