For the use in Dietz No.3 street lamps 
Post, hanger , and station.
All brass construction with a matchstrike plate .
Pin locking cone.
Thumbwheel is marked Dietz Tubular No.3

Condition  - excellent, as found patina , free turning .
No visible damage or cracks.

Brass Dietz No.3 burner and cone( pin lock ) Street Lamp