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anotherlittlethi

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koshiinian

early copying methods at school?

When I was in school in the 80's we had copied sheets that were always in purple ink - before photocopiers. What was this odd blurry method of replication?
16:39 Wed 09th Jul 200810 answers, last by anotherlittlethi 01:11 Tue 08th Dec 2015

Only 1 question