This antique brass surveyor's scope level is a rare and valuable collectible item that falls under the category of surveying equipment. With a working glass all intact, this piece exudes a sense of history and craftsmanship that is sure to appeal to collectors interested in engineering and surveying artifacts. Its brass construction adds to its vintage charm, making it a unique and practical addition to any collection focused on scientific and medical items from the past. UNSURE OF BRAND OR YEAR. Can’t find any markings. All glass is intact and clear to see through level bubbles all intact and working order as well.