<skos:prefLabel xml:lang="en">engineer's blue</skos:prefLabel>
<skos:altLabel xml:lang="en">blue, engineer's</skos:altLabel>
- <skos:broader rdf:resource="http://museovirtualfelixcanada.digibis.com//concepts/47499" />
<skos:note xml:lang="en">An oily film of Prussian blue pigment formerly used in machine making; it was placed on machine fittings, then the parts were rubbed together; the removal of the pigment indicated the position of high spots or rubbing between the two surfaces.</skos:note>
<skos:notation>300311148</skos:notation>
- <skos:inScheme rdf:resource="http://museovirtualfelixcanada.digibis.com//schemas/2" />