The outer shape of the airship is maintained by gas pressure, as with the non-rigid "blimp". Semi-rigid dirigibles were built in significant quantity from the late 19th century but in the late 1930s ...
Nineteenth-century literature and culture have proved a rich field for interdisciplinary studies. Since 1994, books in this series have tracked the intersections and tensions between Victorian ...
The 19th century was a period of rapid technological change, and huge shifts in scientific understanding. As medical knowledge increased, the prospect of surgery was no longer a likely death sentence, ...
Iran has cited a 19th-century British map as part of its dispute with the United Arab Emirates over a number of Gulf islands. Abu Musa, Greater Tunb and Lesser Tunb sit at the entrance to the ...