A brass Crosby steam whistle stamped with patent information dated June 30, 1877. Features a cylindrical shape with a threaded base and an opening near the middle. Includes detailed craftsmanship and historical markings.

A brass Crosby steam whistle stamped with patent information dated June 30, 1877. Features a cylindrical shape with a threaded base and an opening near the middle. Includes detailed craftsmanship and historical markings.