Shortly thereafter, in 1872, the first diner was established. It was in a trailer. Diners-complete with service counters dominating the interior, a food preparation area against the back wall, and floor-mounted stools for the customers-were a means of bringing restaurants to new locations in the 1920s and 30s. Many were modeled after railroad dining cars. Some took on the art deco design of the time, and most were pulled on flat back trucks.