2026-09-26T01:05:54+01:00https://marinefinds.org.uk/datalabs/terminology/object/format/jsonhttps://marinefinds.org.uk/datalabs/terminology/object/format/xmlhttps://marinefinds.org.uk/datalabs/terminology/object2616137436BEAM STEAM ENGINEYAn engine which operates machinery via a pivoted, horizontal beam with a piston located at one end and a reciprocating pump beneath the other, resulting in a rocking, seesaw-like motion. Variations featured the steam piston placed above the beam.546P