In the first of my posts on lighting a couple of weeks ago, we saw how the world depended on candles and oil lamps…and as a result was a dim, rather dirty place; after all, burning oil creates smoke, which … Continue reading
In the first of my posts on lighting a couple of weeks ago, we saw how the world depended on candles and oil lamps…and as a result was a dim, rather dirty place; after all, burning oil creates smoke, which … Continue reading