This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
BL inch Gun Rabaul AWM H.jpeg AWM caption RABAUL NEW GUINEA SIX INCH ARTILLERY PIECE MOUNTED AT FORT RALUANA COMMANDING THE ENTRANCE TO BLANCHE BAY Comment This shows BL inch gun Mk on Vavasseur recoil slide Mk photographer not identified PDAustraliaGov BL inch gun Mk Rabaul Black and white photographs