9 ELECTROPHORESIS EQUIPMENT, INCLUDING ELECTRICAL POWER SUPPLIES; VERTICAL SLAB GEL DEVICES; HORIZONTAL SLAB GEL DEVICES; DNA SEQUENCERS; TRANSFER CELLS; GEL SLICERS; SLAB GEL DRIERS; AGAROSE CELLS; TRANSILLUMINATORS; POLYANALYST ELECTROPHORESIS APPARATUS; AND PREPARATIVE ELECTROPHORESIS APPARATUS