The Berliner Helicopter was a series of experimental helicopters built by Henry Berliner between 1922 and 1925. The helicopters had only limited controllability...

first radial aircraft engine (1908), a helicopter (1919), and acoustical tiles (1920s).[citation needed] Berliner was born in Hanover, Germany, in 1851...

series of experimental helicopters built by Henry Berliner Berliner Verkehrsbetriebe, the public transport company of Berlin Berliner, a former regional currency...

Henry Adler Berliner (December 13, 1895 – May 1, 1970) was a United States aircraft and helicopter pioneer. Sixth son of inventor Emile Berliner, he was born...

sound and acoustics, and pioneer of helicopter development with the experimental Berliner Helicopter. The younger Berliner founded ERCO to produce tools for...

of Derby, Connecticut, and Emile Berliner of Washington, D.C., flew a helicopter "on three occasions" at Berliner's lab in Washington's Brightwood neighborhood...

and Henry Berliner (father and son) brought their theories of vertical flight to the field and in 1924 made the first controlled helicopter flight. From...

Retrieved 2022-01-06. "1924 Berliner Helicopter No. 5 | MNCPPC, MD". www.pgparks.com. Retrieved 2021-12-16. "Berliner Helicopter, Model 1924 | National Air...

History and Culture. "Berliner Helicopter, Model 1924". Smithsonian Institution. Retrieved 3 February 2021. "1924 Berliner Helicopter No.5". College Park...

United States aircraft and helicopter pioneer, son of Emile Berliner Janet Berliner, Bram Stoker Award-winning author Max Berliner, Polish-born Jewish Argentine...