Made by Edward Miller Company of Meriden, CT.
Design patent is by J.J. Marcy 
1870s economy lantern made to compete with the prices of the New popular tubular lanterns . 
Screw cap holds the globe tight and slides in a grooved track on the cap.
Sangster fount with a brass ( New replaced ) No.1 whale oil burner.
Featuresa unique back reflector shield , may or may not be factory , but for sure has  been on the frame a long time.

Condition - very good , barn fresh condition, never restored. 
Sangster clips are tight, top cap bolt threads smoothly .
Globe does have a chip missing from the lower lip ( but is no noticeable in the frame).
Tin is smooth , no heavy  rusting or  pitting.
No visible working condition  issues.

** has  not been oil tested **

Edward Miller Mfg Co. J.J. Marcy patent 1870s