A cased surveyor's brass vernier compass
early 19th century
Silver plated dial signed in script A Platt Columbus Ohio. Spirit level. Vernier. Detachable sighting bar. In hinged form fitted wooden case covered in animal hide with iron tacks.
Condition: Brass with age patina and evidence of polishing to top. Light scratches. One sighting bar lost. Hinge broken. Considerable wear and loss to hide. Needle repaired.