I switched out to "modern" lamp oil, it's not as low odor as olive oil, but nearly as thin as water so the wick can really draw fuel.
I will show its range of flame size adjusted simply by pulling more wick out of the spout.
The largest flames are not practical for more than a minute or 2 as the lamp will get hot at those flame heights.
About the lowest setting:
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Ok for a min or 2 of extra light:
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Much to large, starts to smell up the house and not safe to walk away from,
but wow!
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A nice safe extended burn level, base is cool and lamp body is just slightly warm only to the touch:
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It seems I am easily entertained by fire, perhaps that is why I don't have many electric fired engines....yet