Deck lights like this were originally used during WWII as signal-lights to communicate with other ships, as well as for other general purposes. This authentic WWII US Navy issued lamp includes a backlit image of the Tulip Nebula, an area of gaseous ionized sulfur, hydrogen, and oxygen roughly 8,000 light years from earth.
Image Credit: West Mountain Observatory, BYU
Rough Dimensions: 8"L x 4"W x 10"H
Approximate Weight: 4.5 lbs.
Bulb: 13W CFL
Shipping: Allow 2-3 weeks for delivery