<------Hargrave's model "Flyer No. 7," powered by a compressed air motor.
Lilenthal's first succesful glider, his "No. 3."---->
While Maxim's airplane may not have been successful, his engines were technological marvels. Each engine was light enough the Maxim could lift them. <-------------
To facilitate his gliding experiments, Lilenthal built a hill to launch from. He named this "Flight Mountain." -------->
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