"VERTICAL SLAB GEL ELECTROPHORESTS INSTRUMENT W/AN INTEGRAL PLATE/CHAMBER C/O A GLASS PLATE AND BUFFER CHAMBER BONDED TOGETHER AT THE SIDE AND BOTTOM EDGES OF THE PLATE; PLATINUM ELECTRODE WIRE FUNCTIONS AS CATHODE; INCLUDES TRANSPARENT UNBREAKABLE,MOLDED POLYCARBONATE BASE W/POUR SPOUT; TWO GEL WIDTHS: 21.0 CM FOR HALF WIDTH X-RAY FILM,38.0 CM FOR FULL WIDTH X-RAY FILM"