Imagine yourself In a general store, 75 years ago, bL‘*,*'5 everything from open containers, with the soot of the pot belly stove, the hair of the storekeeper's cat and fingerprints of your neighbors all mixed in with the food.That's exactly what Professor Leonard Lincoln Barol of the Academy of Food Marketing, and J.J. Wuerthner, Jr., of the Paperboard Packaging Council suggested to participants at the Annual Newspaper Food Editors' Conference in Chicago.After painting a 'picture of the not-so-good “good old days” they used film and color slides to trace the history of modern packaging.The most important milestones occurred at the turn of the century. The Federal Pure Food and Drug Act went Into effect in 1907, setting standards of consumer food protection.And-did you know that the first patented folding carton was used for soda crackers~the Uneeda biscuits formerly sold in the open barrels? That patent in 1899 marked the end of the Cracker Barrel Era and the start of modern paperboard food containers.The speakers explained that the first things to be packaged were staples and led to the development of mixes for quickly-prepared family meals.Frozen foods were another breakthrough. One day in the winter of 1912 Clarence Birdseye was ice fishing in Labrador and took home a solidly-frozen fish.When he put it in a pail of water, said Professor Barol, “he found to his amazement that the fishThe Old Fashioned Cracker Barrel Above--75 years old-has been obsofeted by modem packaging. Thirwat the theme of a presentation in Chicago to the nation's newspaper food editors. Professor Leonard Lincoln Barol (in the 1898 suit) of the Academy of Food Marketing, St. Joseph's College, Philadelphia, and JJ. Wuerthner, Jr., of the Paperboard Packaging Council, used films and color slides to compare antique packages with modern paperboard food containers, started swimming. He then realized that the flash freeze could be used to preserve food and went on to build his own machine to do the job of quick freezing.After surveying the packaging world of the present, Mr. Wuerthner peeked into the future and showed editors special packaging for micro-wave ovens, pop-upcut-outs on children’s dinner packages and paperboard cartons - complete with straws-for soft drinks.The American homemaker has come a long way from the days when bread was sold unwrapped and most food was in open boxes and bins.