ALL-GLASS-ENCLOSED FLUORESCENT FIXTURE
CD 1963081 E&MP 25.018
existing text on the image [top clockwise]:
ALL GLASS ENCLOSED fluorescent fixture partly dismantled to show dustproof assembly of glass on the chassis.
CLEAR CRYSTAL for upward distribution of light.
BONE WHITE ENAMEL for comfortable low surface brightness.
CRYSTAL CLEAR for direct downward light.
Image text: ©Markel Electric Products, Inc.