Archer &  Pancoast mfg.
This is the larger Convex pyramid model .
Stamped A&P N.Y. on the top
The large brass push in no.2 convex burner is marked Archer & Pancoast on one side and Patented March 1st 1864 on the reverse. 
Also patent date stamped and hallmarked on the fount top .

Condition  - very good for its age and delicacy of this lantern type.
Clean smooth tin and oiled patina all over.

 No heavy rusting or pitting present. 
Looks to have had some solder touch ups in a few spots.
Glass panels are in good condition with no cracks .
No visible condition issues present. 

** has not been oil tested **