Fifth-order drum lighthouse lens with a 270-degree central dioptric belt and catadioptric elements. The lens weighs approximately 108 pounds and was acquired from Mobile, Alabama
Collection
Artifact Collection
Made/Created
Date made
circa 1855
Lexicon
Nomenclature 4.0
Nomenclature Primary Object Term
Lens
Nomenclature Class
Optical T&E
Nomenclature Category
Category 05: Tools & Equipment for Science & Technology