Similar Material g79 12/8 pp. 20-24 Lasers, Light and Communications Talking and Seeing Through Glass Awake!—1987 An Ancient Liquid Serves a Modern World Awake!—1970 “The Light of Life” The Watchtower Announcing Jehovah’s Kingdom—1960 Glass—Its First Makers Lived Long, Long Ago Awake!—1995 Light Aid to Bible Understanding Glass Aid to Bible Understanding Glass Insight on the Scriptures, Volume 1 Light Insight on the Scriptures, Volume 2 Follow the Light of the World The Watchtower Announcing Jehovah’s Kingdom—1993 “The Light Has Come Into the World” The Watchtower Announcing Jehovah’s Kingdom—1991