Paper marbling Turkish and Persian, which literally means Frankish. Historic forms of marbling used both organic and inorganic pigments mixed with water for colors, and sizes were traditionally made from gum tragacanth ("Astragalus" spp.), gum karaya, guar gum, fenugreek ("Trigonella foenum-graecum"), fleabane, linseed, and psyllium. Since the late 19th century, a boiled extract of the carrageenan-rich alga known as Irish moss ("Chondrus crispus"), has been employed for sizing. Today, many marblers use powdered carrageenan extracted from various seaweeds. Another plant-derived mucilage is made from sodium alginate. In recent years, a synthetic size made from hydroxypropyl methylcellulose, a common ingredient in instant wallpaper
Purple Line (CTA) Express would return to the original Inner Loop routing on December 29. If a problem occurs between the Loop and the Fullerton station, the Purple Line is generally routed into the subway, following the Red Line to Roosevelt Road before returning north. For several years, inbound afternoon Purple Line Express trains stopped at Addison Street on the Red Line before weekday evening Chicago Cubs baseball games, in order to provide direct service to Wrigley Field for passengers from northern Chicago, Evanston and Skokie. However, trains had to cross over to the inner Red Line tracks, as there is no platform