Made by Star Headlight Company of Rochester, N.Y. 
Not Railroad marked, but potentially used by a R.R.
Corning Nonex made in USA globe is a beautiful shade of red , with no flaws.

Brass No.1 long stem ratchet burner

Condition  - very good, nice clean smooth patina, no heavy rusting or  pitting present.
Fount is clean , burner is free and turning.

No visible condition  issues.

** has not been oil  tested ** 

Star Headlight Co. Rochester N.Y. ( wire bottom )