. . . . . . . . . . . "Mawson & Swan" . . . . . . . . . . "Swan incandescent lights" . . . . . . "Edison Swan" . . . . . . . . . "Joseph_Swan" . "Joseph Wilson Swan" . . . . . . . . "Sir Joseph Swan" . . "Joseph Swan's" . . . . . . . . . . . . . . "1828-10-31" . "1914" . "1828" . "Joseph Swan" . . . . "Swan lamps" . . . . . . "Ediswan" . . . . . . . . . . . . . "1914-05-27" . "Sir Joseph Wilson Swan" . . . "Swan" . . . . . . . . . "Swan, Sir Joseph Wilson" . . "Sir Joseph Wilson Swan FRS" . "Joseph R. Swan" . . . . . . . . . . . . . . . . . . . . . . . "Joseph Swan" . . . . . . . . . . . . . . "Joseph Wilson Swan" . .