<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dcterms="http://purl.org/dc/terms/">
<rdf:Description rdf:about="https://learning.hku.hk/ccch9051/group-43/items/show/13">
    <dcterms:title><![CDATA[Kerosene Lamp]]></dcterms:title>
    <dcterms:alternative><![CDATA[paraffin lamp]]></dcterms:alternative>
    <dcterms:subject><![CDATA[daily necessities]]></dcterms:subject>
    <dcterms:description><![CDATA[A kerosene lamp is a household item for illumination from 1853 to late 19 century. It produces light by using paraffin as a fuel. It usually has a wick or mantle as light source, protected by a glass chimney or globe. A kerosene lamp is particularly useful in areas without a stable supply of electricity.]]></dcterms:description>
    <dcterms:creator><![CDATA[inventor: Polish pharmacist Ignacy Łukasiewicz ]]></dcterms:creator>
    <dcterms:date><![CDATA[invented: 1853]]></dcterms:date>
    <dcterms:available><![CDATA[since 1853]]></dcterms:available>
    <dcterms:created><![CDATA[1853]]></dcterms:created>
    <dcterms:contributor><![CDATA[provider of crude mineral oil: Persian alchemist al-Razi ]]></dcterms:contributor>
    <dcterms:rights><![CDATA[general public]]></dcterms:rights>
    <dcterms:relation><![CDATA[oil lamp]]></dcterms:relation>
    <dcterms:relation><![CDATA[electric lamp]]></dcterms:relation>
    <dcterms:hasPart><![CDATA[gas generator]]></dcterms:hasPart>
    <dcterms:hasPart><![CDATA[gas mantle]]></dcterms:hasPart>
    <dcterms:hasPart><![CDATA[protective shield]]></dcterms:hasPart>
    <dcterms:hasPart><![CDATA[oil]]></dcterms:hasPart>
    <dcterms:hasVersion><![CDATA[electric lamp]]></dcterms:hasVersion>
    <dcterms:isFormatOf><![CDATA[oil lamp]]></dcterms:isFormatOf>
    <dcterms:isReplacedBy><![CDATA[electric lamo]]></dcterms:isReplacedBy>
    <dcterms:replaces><![CDATA[oil lamp]]></dcterms:replaces>
    <dcterms:requires><![CDATA[oil]]></dcterms:requires>
    <dcterms:format><![CDATA[a wick or mantle as light source]]></dcterms:format>
    <dcterms:format><![CDATA[a glass chimney or globe as protective shield]]></dcterms:format>
    <dcterms:medium><![CDATA[metal: mantle, body]]></dcterms:medium>
    <dcterms:medium><![CDATA[glass: shield]]></dcterms:medium>
    <dcterms:type><![CDATA[physical object]]></dcterms:type>
    <dcterms:accrualMethod><![CDATA[function]]></dcterms:accrualMethod>
    <dcterms:accrualPeriodicity><![CDATA[1]]></dcterms:accrualPeriodicity>
    <dcterms:accrualPolicy><![CDATA[to analyse the most common function of the item]]></dcterms:accrualPolicy>
    <dcterms:audience><![CDATA[household in 18th to 19th century]]></dcterms:audience>
    <dcterms:audience><![CDATA[household in areas without stable electricity supply]]></dcterms:audience>
    <dcterms:audience><![CDATA[camping hobbyists]]></dcterms:audience>
    <dcterms:educationLevel><![CDATA[skills in turning on and off the lamp]]></dcterms:educationLevel>
    <dcterms:educationLevel><![CDATA[skills in inputting oil]]></dcterms:educationLevel>
</rdf:Description></rdf:RDF>