Antique 19th-Century Brass Prismatic Pocket Compass with Hinged Cover. For Sale

Antique 19th-century brass prismatic pocket compass with a bright green card, signed "J. Green, N.Y.", built on the design of Charles Schmalcalder's 1812 patent. This Brass Circular Surveying Compass is a collectible piece of engineering equipment that would be a valuable addition to any surveyor's collection. With its hinged cover and intricate brass construction, this compass exudes a sense of nostalgia and craftsmanship. Perfect for display or practical use, this compass is sure to appeal to those with a passion for surveying history and vintage tools. It is still in working condition.