Claude George Brun

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Claude George Brun was a doctor in St. Louis, USA, who received local certification of his airship invention on 31 May 1830.

Brun received a certificate acknowledging the invention from Mary Philip Leduc for the St. Louis County Court. The original document was apparently written in French, but an English translation exists. Its English title is "Description of an invention for propelling balloons and boats"; its text contains the following:

This machine is nothing but an endless screw placed fore and aft of the balloon, connected by a through running axis, resting on two diametrically overlapping collars, in the width, and revolving by means of a pulley and a belt communicating with the basket. The same machine may also propel a boat, either by a screw thread of large dimension, revolving in the atmosphere, or, by a smaller one, if it is submerged in the water, and put in motion by any force.[1]



References

  1. Horgan, 1965, p. 52.