https://cerl.org/ 2026-04-19T01:20:31+00:00 https://cerl.org/ https://cerl.org/_media/wiki/dokuwiki.svg text/html 2019-06-17T10:32:03+00:00 Anonymous (anonymous@undisclosed.example.com) https://cerl.org/resources/links_to_other_resources/bibliographical_data/needhamsruler?rev=1560767523&do=diff Needham's Ruler - Instructions for use The rulers were handed out at CERL events, and are available upon request as long as stocks last. Paul Needham explains its use: 'What incunabulists typically see are not uncut sheets of paper, but rather bound volumes, with varying degrees of trimming. My recommendation, therefore, is to think in terms of very large copies of folio incunables printed using each of the 8 distinct paper sizes. What this ruler provides are these “nearly-maximum” heights a…