4.6
Biografien
Edwin Grosvenor writes of Bell's other extraordinary inventions: the first transmission of sound over light waves, metal detector, first practical phonograph, and early airplanes, including the first to fly in Canada. He also examines Bell's humanitarian efforts, including support for women's suffrage, civil rights, and speeches about what he warned would be a "greenhouse effect" of pollution causing global warming.
© 2017 HighBridge Audio (Hörbuch): 9781681685502
Erscheinungsdatum
Hörbuch: 11. April 2017
Tags
4.6
Biografien
Edwin Grosvenor writes of Bell's other extraordinary inventions: the first transmission of sound over light waves, metal detector, first practical phonograph, and early airplanes, including the first to fly in Canada. He also examines Bell's humanitarian efforts, including support for women's suffrage, civil rights, and speeches about what he warned would be a "greenhouse effect" of pollution causing global warming.
© 2017 HighBridge Audio (Hörbuch): 9781681685502
Erscheinungsdatum
Hörbuch: 11. April 2017
Tags
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