A 1961 Special Collupulin Anniversary Issue printing by Wallerstein Laboratories Staten Island , New York. Entitled Wallerstein Advances in Beer Quality - Part I - A 15 Year Research Record. Some topics from the index are Experiments on Wild Beer, Beer and Low Sodium Diets, Metal Induced Wildness in Beers, Nutrition and Beer, and more - 261 pages in total. Impressive  gold - lettered dark blue cover. A great research/collectible and in this very excellent condition as well.
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