Carbon Arc Lamp

Famous quotes containing the words arc and/or lamp:

“If I am not, may God put me there; and if I am, may God so keep me.”
—Joan Of Arc (c.1412–1431)

“Thus he struggled, by every method, to keep his light shining before men. Surely the lighthouse-keeper has a responsible, if an easy, office. When his lamp goes out, he goes out; or, at most, only one such accident is pardoned.”
—Henry David Thoreau (1817–1862)