Maker - Excelsior mfg
Model - 
Circa - 1884 -?
Use- general use / Railroad 
Condition - Very good , dark patina but no heavy rust or pitting present.
Does have a dent in the brass top.

1864 patent convex burner 

This frame will take RR marked globes , usually found marked NYLE&WRR
tall 6.5 t  skinny barrel 

No visible condition issues 

** has not been oil tested **