Lighting Up America  by Veronica Moriarty The design of oil lamps had remained virtually unchanged for 2,000 years until 1784 when the Swiss physicist, Ami Argand, came up with one of the most important breakthroughs in the history of lighting – the Argand Burner. The Argand Burner consisted of two concentric metal tubes, between which passed a circular wick.  >> Read the full article...		1/1/2004