heliotype (process)
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skos:pref |
"heliotype (process)"@en
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| skos:broader | photomechanical process |
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skos:exact |
aat:300194345 |
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skos:in |
<https:/ |
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<https:/ |
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| skos:notation | "61800" |
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skos:scope |
"A modified version of collotype in which the alum-hardened gelatin layer is transferred from glass to the metal plate; allows for the making of many more prints than ordinary collotype."@en
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prov:generated |
"2023-07-27T12:49:35+00:00"^^xsd:dateTime |