. "Royal Ingersoll" . . . "Western Sea Frontier" . . . . . . . . . . . . . . "Ingersoll" . . "1976" . . . . . "1946" . "1905" . "United States" . . . "Atlantic Fleet" . "Royal E. Ingersoll" . . . . . . . . "1883" . . . . "Royal Ingersol" . "Royal E. Ingersoll" . . . . . .