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:
Hmeenlinna . en Interrupted screw breech of howitzer in Hmeenlinna artillery museum mm version of French Canon de modle Schneider eight of which were ordered by Finland in Original wooden wheels with solid rubber tires for motor towing Manufactured by Schneider in serial number breech block manufactured by VTT in rebarreled