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:
Slaglsbssa enligt kersteins patent Stockholm Livrustkammaren .tif LSH artwork Nils Harald kerstein versteljtnant sv ttsidig brunerad rfflad pipa tta rfflor Pipan avskruvbar baktill och invndigt gngad och lses med en skjutbar regel med rund plant handtag Regeln fstad rrka undersidan Sammanlagt fyra slta spolformiga rrkor spetsrrkan