Pre-Civil War Period "Early Fluid Lamp" Sandwich Type with Marble Base. Heavy Leaded Glass without Chips or Cracks. Circa 1850 to 1860.
Civil War Period upgraded Flange Lip Burner has the organic "Dietz Type" Thumbwheel with 5 Pointed Stars inside a Six Pointed Dash Line Star , and an Ives Patent Dated internal Trap Door Filler Flap stamped "PAT. AUG. 16,1861".
Blown Glass 2 5/8 inch Flange Lip with Petal Top Chimney !!!
Measurements : Overall lamp is inches high from base to top of chimney. Lamp alone is inches from base to top of or original brass collar.