Has anyone heard of a publication from 1911 listing industry standards for music roll perforation? I am desirous to obtain a copy. Thanks, Karl Schröder Missouri [ The historic "Buffalo Convention" of 1908 is discussed at [ http://www.mmdigest.com/Gallery/Tech/1908Buffalo.html and [ http://www.mmdigest.com/archives/Digests/200802/2008.02.21.03.html [ -- Robbie