This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: FFT filter applied to remove halftone print pattern on image. Not otherwise modified. Modifications made by Ubcule.
Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (70 years p.m.a.), Mainland China (50 years p.m.a., not Hong Kong or Macao), Germany (70 years p.m.a.), Mexico (100 years p.m.a.), Switzerland (70 years p.m.a.), and other countries with individual treaties.
== {{int:filedesc}} == {{Information |Description=Linotype mold disk, with a complete line of matrices and spacebands ready to be cast |Source=Linotype Machine Principles, published by Mergenthaler Linotype Company, Brooklyn, NY, 1940, p. 17 |Date=2007-05-01 |Author={{derivedfrom|Linotype mold disk.png}} - Source was scanned and cleaned up by Paul Koning |Permission=Public domain (copyright expired, not renewed) |other_versions= }} == {{int:license-header}} == {{PD-US-not renewed}} [[Catego...
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