COMPARISON   OF  NYC  LIBRARY  LION  PERF  HOLES

Lion-smallhole.jpg (23703 bytes)
Small Holes

Lion-largehole.jpg (26377 bytes)
Large Holes

Comparison scan courtesy of Ron Maifeld

Lion-hole.jpg (82882 bytes)
Comparison scan courtesy of Lorelei Doering.  Coil of 500 on top.  Coil of 3000 on bottom.  One large perforation hole in the center to the right of the plate numbered stamp on both.
lg-sm-holes.jpg (32746 bytes)
Graphic showing large hole and small hole perfs with 1 mm lines from a Linn's Multi Gauge. Courtesy of Lorelei Doering.
Small perf holes are smaller than the paper space between the holes.  Large perf holes are about the same size as the paper between them.

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