Louis' Lunch onion, then served on two square pieces of toasted white bread. Louis' Lunch flame broils the hamburgers in the original cast iron vertical gas broilers manufactured by the Bridge and Beach, Co., St. Louis, Missouri in 1898. The stoves use hinged steel wire gridirons to hold the hamburgers in place while they cook simultaneously on both sides. The gridirons were made by Luigi Pieragostini and patented in 1938. A sharp cheese spread is used, as opposed to sliced cheese. The restaurant uses a 1929 Savory Radiant Gas Toaster. The restaurant is traditionally closed during the month of August (for annual
Ploughman series The notes were referred to as the "ploughman series" because they an image of a ploughman ploughing a field with a horse-drawn plough. The notes, which were denominated in notes for £1, £5, £10, £20, £50 and £100, used as the back images a collection of images of Ireland, in order the Custom House, Dublin, St. Patrick's Bridge, Cork, Currency Commission Building, Foster Place, Dublin, the Rock of Cashel, Croagh Patrick, and Killiney Bay, County Dublin. The last issue was in 1941. The notes were finally withdrawn on 31 December 1953. Ploughman series The Ploughman series was a series of