On April 20, 1955, this was a digital version of an article in The Times Print File, before it began to be published online in 1996. To keep these articles as they appear initially, the Times will not change, edit, or update them. There are occasional copywriting errors or other problems during the digitization process. Please send a report of such issues to archid_feedback @ nytimes. com. In the time machine, all Mella polyester films were cut in addition to the 25 gaugeView full texts. A version of the file was reduced in April 20, 1955 on the New York edition of the BUSINESS vallal55 page by the Mela polyester price.