2026-09-29T00:18:25+01:00https://marinefinds.org.uk/datalabs/terminology/object/format/jsonhttps://marinefinds.org.uk/datalabs/terminology/object/format/xmlhttps://marinefinds.org.uk/datalabs/terminology/object3399138237SIDE LEVER ENGINEYA design of beam steam engine introduced circa 1800 in which, instead of a single overhead rocking beam, there are two beams positioned alongside the cylinder, one either side, giving a lower overall height.546P