Portfolio Gold coated microscope slides Lacey carbon support films Holey carbon support films Carbon support films EM-tem-grids-support-films-laceyformvar-carbon-copper Lacey formvar/carbon on 300 mesh Cu (25) EM-tem-grids-support-films-laceyformvar-carbon-copper Lacey formvar/carbon on 300 mesh Cu (50) 1 2 3 … 864