2026-09-29T00:25:31+01:00https://marinefinds.org.uk/datalabs/terminology/object/format/jsonhttps://marinefinds.org.uk/datalabs/terminology/object/format/xmlhttps://marinefinds.org.uk/datalabs/terminology/object3485138324TANDEM COMPOUNDYA horizontal, stationary steam engine with two cylinders in line, one behind the other, the steam passing through each cylinder in turn.546P