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 Sir George Cayley's Notebook - 'Vol 1' (1795)

In his lifetime, Sir George Cayley (1773-1857) published just a few papers on the subject of aeronautics and many of his ideas are explored in five illustrated manuscript notebooks which were presented on permanent loan to the Royal Aeronautical Society in 1946 by Cayley's grandson Sir Kenelm Cayley. The…

 Sir George Cayley's Notebook - 'Sea' (1799-1811)

In his lifetime, Sir George Cayley (1773-1857) published just a few papers on the subject of aeronautics and many of his ideas are explored in five illustrated manuscript notebooks which were presented on permanent loan to the Royal Aeronautical Society in 1946 by Cayley's grandson Sir Kenelm Cayley. The…

 Sir George Cayley's Notebook - 'Passions' (1812-1830)

In his lifetime, Sir George Cayley (1773-1857) published just a few papers on the subject of aeronautics and many of his ideas are explored in five illustrated manuscript notebooks which were presented on permanent loan to the Royal Aeronautical Society in 1946 by Cayley's grandson Sir Kenelm Cayley. The…

 Lawrence Hargrave: 'Evolution of the Flying Machine I' (1885-1889) Image 4

Two models showing trochoidal actions of fish swimming.

 Lawrence Hargrave: 'Evolution of the Flying Machine I' (1885-1889) Image 5

A model of trochoidal action of many footed progression and another model of trochoidal action demonstrating how to float and propel itself in water.

 Lawrence Hargrave: 'Evolution of the Flying Machine I' (1885-1889) Image 7

Model showing one form of serpentine progression.