Design drawing, including a plan, section and elevation of a switch car - locomotive built by Twin City Rapid Transit for the University of Minnesota, to be used on the Inter-Campus line.
Design drawing, including plan, elevation and section of Twin City Rapid Transit Sand Car, 43-45 series. These cars were used to sand the rails for adhesion in ice and snow.
Design drawing, including elevation and section of bracket and curtain fixture details of a Twin City Rapid Transit experimental double deck streetcar.