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.
inchGunUSModelLimberTravelingPosition. Photograph US inch Field Gun Model of and Limber in traveling position Page in Handbook of artillery including mobile antiaircraft and trench matriel page archive org United States Army Ordnance Dept US Government no copyright PDUSGov inch Gun Model Limbers