Description of Humphrey Davy's Safety Lamp

The final version of the lamp was wonderfully simple and surprisingly small. It was a standard uninsulated oil lamp, approximately sixteen inches high, with an adjustable cotton wick, enclosed in a tall column or ‘chimney’ of fine iron mesh. Astonishingly, the lamp required no other protection. In later models Davy added various improvements, largely designed to withstand rough use in the mine. Yet the fundamental notion that flame would not pass through gauze appeared so unlikely, so comple...

 Humphry Davy's Wife Doesn't Like Michael Faraday

She in turn may also have found Faraday physically awkward, and even irritating. He was small and stocky — not more than five foot four — with a large head that always seemed slightly too big for his body. His broad, open face was surrounded by an unruly mass of curling hair parted rather punctiliously in the middle (a style he never abandoned). His large, dark, wide-apart eyes gave him a curious air of animal innocence. He spoke all his life with a flat London accent (no match for Jane’s ele...