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) S number (wool) An S number on the label of wool suits or other tailored apparel, wool fabric, or yarn, indicates the fineness of the wool fiber used in the making of the apparel, as measured by its maximum diameter in micrometres. Fiber fineness is one of the factors determining the quality and performance of a wool product. In recent years it has also become an important marketing device used by many mills, garment makers, and retailers. The S number appears as a plural with an "s" or "'s" following the number, such as "100s" or "100's." The S number