David groen (13 Ergebnisse)

Paperback. Zustand: Very Good. First Edition. It's a well-cared-for item that has seen limited use. The item may show minor signs of wear. All the text is legible, with all pages included. It may have slight markings and/or highlighting.

Paperback. Zustand: Good. No Jacket. Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less.

Zustand: Very Good. Pages intact with possible writing/highlighting. Binding strong with minor wear. Dust jackets/supplements may not be included. Stock photo provided. Product includes identifying sticker. Better World Books: Buy Books. Do Good.

Paperback. Zustand: Good. No Jacket. Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less.

Zustand: Very Good. 1st. Pages intact with possible writing/highlighting. Binding strong with minor wear. Dust jackets/supplements may not be included. Stock photo provided. Product includes identifying sticker. Better World Books: Buy Books. Do Good.

Zustand: Good. 1st. Pages intact with minimal writing/highlighting. The binding may be loose and creased. Dust jackets/supplements are not included. Stock photo provided. Product includes identifying sticker. Better World Books: Buy Books. Do Good.

Soft cover. Zustand: Fine. 1st Edition.

Zustand: New. In English.

Zustand: New.

Zustand: New. In English.

Paperback. Zustand: Brand New. illustrated edition. 168 pages. 9.25x6.50x0.50 inches. In Stock.

Mass-market paperback. Zustand: Fair. Glued binding. Inscribed by Jay Groen on t-p. [6], 280, [2] pages. Signed by author. Cover has some wear, soiling, and is missing part at the top front corner. Some page discoloration. Groen Brothers Aviation, Inc. is an American autogyro research and development company based in Salt Lake City, Utah. The company was founded in 1986 by David Groen and his late brother Jay Groen. David Groen remains the company Chairman, President and CEO. In 2001, Time magazine listed GBA's Hawk Gyroplane as one of their featured "Inventions of the Year." The company holds three US patents and several international patents associated with their variable pitch rotor system. Following the first flight of their proof-of-concept aircraft in 1987, the company flew several larger prototype autogyros during the 1990s. In September 1999 the company flew their first piston-engine powered prototype of the four-seat Hawk 4. The turbine-engined prototype first flew in July 2000, with a Rolls-Royce 250 420 hp (313 kW) turboprop engine and was the world s first turbine powered gyroplane. First edition. First edition [stated]. Presumed First printing.…

Gebunden. Zustand: New. KlappentextrnrnDuring the Nazi occupation of Holland, 1940-1945, the Jewish community there suffered devastation on a scale as great as in any other nation in Europe. Only a small percentage of Dutch Jews survived the systematic annihilation. Th.