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thermo-lamp
thermo-lamp n.
Brit. 
/ˈθəːmə(ʊ)lamp/
, /ˈθəːmə(ʊ)lamp/U.S. /ˈθərmoʊˌlæmp/
see quot. [After French thermolampe (1802).] /ˈθərmoʊˌlæmp/ΘΚΠ
the world > matter > light > artificial light > an artificial light > artificial light defined by light-source > [noun] > gaslight or lamp > using specific type of gas
philosophical candle1747
thermo-lamp1828
oxygen lamp1874
1828 N. Webster Amer. Dict. Eng. Lang. Thermolamp, an instrument for furnishing light by means of inflammable gas. Med. Repos.
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