Early Sandwich Glass is Pre-Civil War Period "Starburst" aka "Haley's Comet" Pattern Fluid Lamp with twin Tube Whale Oil Burner Circa 1850 to 1860 !!!
Quality Leaded Glass Fount on a Brass Column with marble Base. Burner still has it's ancient whale oil wicking in it. Brass Column Stem has some nail point impressions often done to tighten it onto the plaster filled stem, and is now "Solid as a Rock".
Measurements : Overall Lamp is 9 3/4 inches high from base to top of Burner Tubes. Marble Base is 3 1/2 inches Square.
Weight : 2 Pounds and 4 Ounces.