Jet Aircraft of 1921

[hesham]

From l'Aeronautique journal of January 1921,


here is a patent for a jet powered biplane aircraft.

 

[Schneiderman]

English language version (Patent GB145441) here

http://worldwide.espacenet.com/publicationDetails/originalDocument?CC=GB&NR=145441A&KC=A&FT=D&ND=3&date=19210919&DB=worldwide.espacenet.com&locale=en_EP