Reading Levenger Lamps & Lighting | Microsun Replacement Bulb White

Microsun Replacement Bulb For Your Library Of Congress And Mission Lamps. The Microsun Bulb Rises Like The Sun When It Turns On. Once The Light Is Turned On, The Bulb Will Take About One Minute To Come To Full Brightness. This Is Due To The Rare Earth Minerals In The Bulb Working Together To Provide The Bright Microsun Light. The Slow Build To Bright Light Also Serves The Purpose Of Preparing Your Eyes As The Light Slowly Rises To Full Brightness. This Bulb Is Designed Specifically For The Library Of Congress Table Lamp And Floor Lamp.