Yes I have a pair of eyes,' replied Sam, 'and that's just it. If they was a pair o' patent double million magnifyin' gas microscopes of hextra power, p'raps I might be able to see through a flight o' stairs and a deal door. . .
Source: The Pickwick Papers.
-- Charles Dickens, (Feb 7 1812-1870), English novelist, dramatist; He was one of most prolific and popular English novelists, e.g., A Christmas Carol, 1843 & Tale of Two Cities, 1859.