"Air Ship" 1909 Patent, awarded to Mr. Adolph E.G. Lubke on October 5, 1909, with three pages of text and three pages of technical drawings, minor faults including toning and small tears but still Fine, a very rare and interesting document from the earliest days of aviationrnA 1909 issue of the publication Aeronautics described Mr. Lubke's invention:rn"Device consists of a combination of plane and hot-air dirigible. Under a large flat plane is a gas bag, divided in compartments, with schemes for supplying heated air, changing its temperature, etc. Horizontal and vertical rudders. Motor and propellers in frame hung below bag and plane."

CV. 75

"Flying Machine Equilibrium Apparatus" 1911 Patent, August 29, 1911 patent awarded to Augustus F.W. Macmanus for his "Flying Machine Equilibrium Apparatus," with three pages of text and four pages of technical drawings, minor faults including toning and tears but still Fine, a very interesting and rare document from the earliest days of aviationrnLittle is known about Macmanus, except that he was a Lieutenant in the US Army. Many early aviation publications make brief references to him, including his Curtiss-like airplane which was involved in at least one serious crash. The Elbridge Engine Company produced a booklet ca. 1910 that contained the following passage:rn"We know that Lt. A.F.W. Macmanus of San Antonio, Texas, with an unsual monoplane of his own design, has made some experimental flights."

CV. 75

"Aircraft" 1911 Patent by Thomas O. Perry, patent simply titled "Aircraft" awarded to Thomas O. Perry on June 29, 1920, with eight pages of text and five pages of technical drawings (mostly of engines and propellers), small faults including toning and tears but still Fine, an interesting and rare documentrnThomas O. Perry was a mechanical engineer who invented all-metal windmill. Perry made significant contributions to the field of wind powered turbines and was an early pioneer of modern wind power technology.rn

CV. 60