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:
Cupola francez vs cupola german Epoca dec . en The Mougin French and Gruson German gun turrets comparative drawings for the Romanian general public The illustration accompanies news about the experiment on Cotroceni Hill Bucharest during which both rival designs were tested with live ammunition and equal fire power Epoca available