Book-bot.com - Flying Machines: construction and operation; a practical book which shows, in illustrations, working plans and text, how to build and navigate the modern airship by Jackman, William James, 1850-;Russell, Thomas Herbert, 1862-1947;Chanute, Octave, 1832-1910

Flying Machines: construction and operation; a practical book which shows, in illustrations, working plans and text, how to build and navigate the modern airship by William James Jackman;Thomas Herbert Russell;Octave Chanute
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XXVII. Records of Various Kinds

FLYING MACHINES: CONSTRUCTION and OPERATION

CHAPTER I.

EVOLUTION OF TWO-SURFACE FLYING MACHINE.

By Octave Chanute.

I am asked to set forth the development of the "two-
surface" type of flying machine which is now used with
modifications by Wright Brothers, Farman, [1]Delagrange,
Herring and others.

[1] Now dead.

This type originated with Mr. F. H. Wenham, who
patented it in England in 1866 (No. 1571), taking out
provisional papers only. In the abridgment of British
patent Aeronautical Specifications (1893) it is described
as follows: