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 Fort Raluana New Britain This inch Australian Artillery Battery was constructed in near the entrance to Blanche Bay It replaced inch battery which had been on Matupi Island Comment This shows BL inch gun Mk on Vavasseur recoil slide Mk Donor Bazley photographer not identified PDAustraliaGov