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I believe that with the new salt and pepper shakers, the salt shaker is the one with 3 holes, while the pepper goes in the one with 2 holes. Salt is used more than pepper anyway. Pepper should only ever be fresh ground at the table, meaning salt shakers win out.
Laurance Scott was not the first person to suggest that a roulette dealer could place his ball in a section of the wheel. John Scarne in his Complete Guide to Casino Gambling, published in 1961, asserted that A good croupier can place his ball to within six holes..