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
Bread and Roses Laurel Parade ceremony, part of the college's graduation tradition. It is also one of the central songs at Bryn Mawr College, traditionally sung at the College's "Step-Sings." Composer Christian Wolff wrote a piano piece entitled "Bread And Roses" (1976) based on the strike song. Mimi Fariña created the Bread and Roses Benefit Agency in 1974. The logo for the Democratic Socialists of America, formed in 1982, was inspired by the slogan. In 1989/91, Si Kahn wrote a song the refrain of which starts with the song's title: "They all sang 'Bread and Roses'". A quarterly journal produced by the UK