
1) Lighting brand
Found on
https://www.crosswordclues.com/clue/petromax

Petromax is a brand name for a type of pressurised paraffin lamp (US:kerosene lamp) that uses a mantle. They are as synonymous with the paraffin lamp on the Continent as Tilley lamps are in Britain and Coleman lamps are in the United States. ==History== Max Graetz (1851–1937) was President of the firm Ehrich & Graetz in Berlin, which developed t...
Found on
http://en.wikipedia.org/wiki/Petromax
No exact match found.