hemi engine
hemi engine is a internal combustion engine or combustion chamber.
Also recorded as hemispherical combustion chamber.
Overview
Catalogue entries for instruments state maker, signature, completeness and working condition. VALÉORINE records this subject so that lots referring to it can be described consistently.
In detail
internal combustion engine in which the roof of each cylinder's combustion chamber is of hemispherical form
Sources
Each source is named with the standing the house places on it, so the evidence can be weighed rather than taken on trust.
reference work · Reputable secondary · Wikipedia
“Hemispherical combustion chamber”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q13635778: hemi engine
Consult the source