Penn Station (restaurant) Today, Penn Station has become a large chain across the South and Midwest, with 313 restaurants currently open in 15 states across the United States. Penn Station (restaurant) Penn Station is a chain of restaurants specializing in what it calls "East Coast subs." Locations are found throughout the Midwestern United States. The first restaurant was opened in 1985 by Jeff Osterfeld in Cincinnati, Ohio. Currently, Penn Station has over 300 locations in 15 states. The concept for an East Coast sub restaurant came to Jeff Osterfeld soon after he graduated from Miami University in Oxford, Ohio. In 1983, he opened
S number (wool) of yarn thickness, the S number is a direct (and precise) measurement of the thickness of the fiber. The S number of fiber, and hence of yarn, fabric, or garments made of that fiber, is determined using the international standard promulgated by the International Wool Textile Organisation (IWTO). The International Wool Textile Organisation (IWTO) is the promulgator of the "Fabric Labelling Code of Practice" which governs the use of the "S" and "Super S" designations for fine wool and wool blend fabrics. The Code defines the S number by correlation to maximum fiber diameter. For example, 80s must have maximum