C.T. Ham No12 Side Lamp 
Features - 6in Mercury reflector, 
9/16 brass filler cap , brass No.2 cone and burner .
Ham no12 stamped on the tube.
Very rare globe reads - HAMS COLDBLAST BULLSEYE with patented Nov. 1882,87 on the reverse.

Condition  - excellent with orginal blue jappanning still showing in places , clean smooth tin , unrestored barn fresh condition. 
No damage or repairs.
No heavy rusting or pitting present. 

** has not been oil tested **