This is an oil lamp with a Hinks Benetfink double burner , it is the raiser type and comes with its safety weight ,the wick winders work, the copper font does have a dink in it as shown in the last photo
Vintage Brass Duplex Oil Lamp – Made in England – Duplex Brass Oil Lamp Base 7”
Vintage Lights Vintage Wall Sconces Vintage Brass Glass & Halogen Wall Sconces
Pair Vintage Brass Candle Light Lamps Vintage Bedside x2 Pillar Working V
VINTAGE BRASS WALL DECOR , DECORATIVE EAGLES(FB18)
Vintage Brass and Copper Gun Powder Flask with Embossed Hunting Scene Sport Dogs
