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 Lawrence Hargrave: 'Evolution of the Flying Machine I' (1885-1889) Image 1

Two trochoided plane boat propellers, also two models of floats propelled by the waves.

 Lawrence Hargrave: 'Evolution of the Flying Machine I' (1885-1889) Image 3

Trochoided Plane anemometer on a windmill.

 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 6

A Model showing six footed trochoidal progression and gravitational horizontal rudder for a flying machine.

 Lawrence Hargrave: 'Evolution of the Flying Machine I' (1885-1889) Image 9

Small clockwork flying machines on a tricycle.