Check out this lot of five fire alarm signal porcelain signs that are attached by chains for easy display! Each sign measures two inches tall by six inches wide and have white letters on a red background with a white frame. The porcelain signs have a brass grommet in each corner. The signs read “Inpectors Test”, “Drain”, “Alarm Test”, “Auxiliary Drain”, and “Control Valve”. Each sign has slight chipping on the outer edge from use over the years. 20208-ETP