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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 2
A double vessel in which the boats themselves are the propeller.
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 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 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 7
Model showing one form of serpentine progression.
Lawrence Hargrave: 'Evolution of the Flying Machine I' (1885-1889) Image 8
8 small India rubber-driven flying machines.
Lawrence Hargrave: 'Evolution of the Flying Machine I' (1885-1889) Image 9
Small clockwork flying machines on a tricycle.
Lawrence Hargrave: 'Evolution of the Flying Machine I' (1885-1889) Image 10
24 band flying machine A, similar to that described in Royal Society paper from 2nd December 1885.
Lawrence Hargrave: 'Evolution of the Flying Machine I' (1885-1889) Image 11
24 band flying machine C. This was described in a paper published on 1st June 1887.
Lawrence Hargrave: 'Evolution of the Flying Machine I' (1885-1889) Image 12
24 band flying machine. H. J. K. observations, 7th December 1887.
Lawrence Hargrave: 'Evolution of the Flying Machine I' (1885-1889) Image 13
A 24 band flying machine.
Lawrence Hargrave: 'Evolution of the Flying Machine I' (1885-1889) Image 14
An 8 band flying machine.
Lawrence Hargrave: 'Evolution of the Flying Machine I' (1885-1889) Image 15
A 48 band flying machine. An enlargement of this machine is shown on page 16 of Hargrave's Evolution of the flying machine I.
Lawrence Hargrave: 'Evolution of the Flying Machine I' (1885-1889) Image 16
An enlargement of a 48 band flying machine. The fuller version is shown on page 15 of Hargrave's Evolution of the flying machine I.
Lawrence Hargrave: 'Evolution of the Flying Machine I' (1885-1889) Image 18
Large machine on wheels. Described on 1st June 1887.
Lawrence Hargrave: 'Evolution of the Flying Machine I' (1885-1889) Image 19
First compressed air engine and indicator.
Lawrence Hargrave: 'Evolution of the Flying Machine I' (1885-1889) Image 20
Rough chronographic apparatus with three cylinder screw eninge attached.
Lawrence Hargrave: 'Evolution of the Flying Machine I' (1885-1889) Image 21
Bow and stern screw flying machine.
Lawrence Hargrave: 'Evolution of the Flying Machine I' (1885-1889) Image 22
48 band stern screw flying machine. Described on 7th Augist 1889.
Lawrence Hargrave: 'Evolution of the Flying Machine I' (1885-1889) Image 23
An engine for patroleum spirit vapour.
Lawrence Hargrave: 'Evolution of the Flying Machine I' (1885-1889) Image 24
Section of a flying machine strut that has stood a crushing strain of 360 pounds. The strut was originally 6 feet 2 inches and had three bulkheads 18 inches apart.
Lawrence Hargrave: 'Evolution of the Flying Machine I' (1885-1889) Image 25
A three cylinder screw engine.
