This bell was used to call workers to lunch and dinner at a bracero labor camp. by keeping a large supply of guestworkers on hand growers were able to depress wages and suppress labor activity among U.S. workers.
While Braceros had many contractual guarantees, they often found actual conditions deplorable. Many workers complained about meals. Workers cited poor nutrition, limited portion sizes, rancid food, overpopulation at the camps, and exceptionally long-lines for food-access.
Division of Work and Industry, National Museum of American History.