Wrought iron. Egg-shaped base for oil. Front portion of base has hinged lid with slot cut out for wick. Curved, arched handle attached to base. Also attahed to handle with several links is a twisted wire with hook. Wick inside base. Also called a betty lamp.
Circular base for oil with extended portion for wick hole. Half of base has hinged lid with swinging hook and eye latch. Curved arm attached to base with pinion has short s-chain with large hook ending in a point. Wick inside lamp base.