Iron Betty lamp painted black. Substantial hook attached to top of arced arm. Hole for missing wick pick. (Mark inside lamp on base may be where a wick spout was attached. Oil container has covering. Front half is hinged and folds up. It's notched at the tip.
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.