Antique Dietzgen Vernier Protractor 8\" German Silver Original Case Drafting Tool For Sale

Dietzgen 8\" vernier protractor in original purple velvet lined black case with leather snap closures.- 8\" protractor diameter
- 6\" arm length
- Protractor disc is divided into 1/2 degree increments
- Vernier is divided into 1 minute increments
- Made from German Silver (copper/nickel/zinc, no silver), not steel, non-magnetic
- Purple velvet lined caseCase hinge is worn on outside as shown in picture but lid has not separated. Right snap closure is missing its top cover but still works.