This lot of three antique brass Justrite coal miners carbide lamps is a true gem for collectors. Made in the United States during the 1930's and 40s, these lamps are a piece of history that must not be missed. Their intricate design and construction make them a great addition to any collection, whether you are a fan of mining equipment or science and medicine collectibles. The lamps are in great shape and have been well-maintained over the years. They would make a wonderful decorative piece for any home or office. Don't miss out on the opportunity to own a piece of American history. Bid now and add these antique brass Justrite coal miners carbide lamps to your collection today. Each is about 3 1/2" in height and do have some issues. One has patent number 115123 and one is marked patent pending.