More on Clear Grit from Infoplease:

• Clear Grit - Clear Grit (The) The real thing, as “champagne is ... if it be but the clear grit” ...
• John Rolph - Rolph, John Rolph, John , 1793–1870, Canadian physician and politician, b. England. He ...
• George Brown - Brown, George Brown, George, 1818–80, Canadian statesman and journalist, b. Scotland. In 1837 ...
• Dictionary of Phrase and Fable: C - Definitions, origins, and illustrative excerpts for words, phases, and literary allusions starting with "C"