https://restorepdfbooks.com/blog Entries from the restoration desk: what copying takes off a page, and what can be put back. en Mon, 24 Aug 2026 00:00:00 GMT https://restorepdfbooks.com/blog/fourth-photocopy https://restorepdfbooks.com/blog/fourth-photocopy What each generation of copying takes off a page, which damage a restoration pass can undo, and which ink is gone for good. Mon, 24 Aug 2026 00:00:00 GMT