Bell: Cygnet I, 1907.
- from our story 'Alexander Grahm Bell’s Space-Age Tetrahedral Kites'
Alexander Graham Bell With His Tetrahedral Kite 'Cygnet I' At A Kite Hangar On His Estate Beinn Bhreagh, Cape Breton Island, Nova Scotia. Photograph, 5 November 1907.
Bell: Cygnet I, 1907.