21. Princess Victoria Louise of Prussia, 1909.
22. Amelia Earhart with her Lockheed Electra and Cord 810, 1937.
23. Swiss Soldiers taking a break in the Alps, 1915.
24. Hiram Maxim (left) and the Maxim gun along with Louis Cassier and J. Bucknall Smith, c. 1895.
25. The Castle Berg, an iceberg in Antarctica, 1911.
