National Helicopter Museum National Helicopter Museum traces the evolution of the rotary wing from early predecessors like the boomerang and Chinese tops to designs by Leonardo da Vinci and George Cayley to early motorized experiments to modern helicopters of today. Igor Sikorsky's first helicopter success in Stratford on September 14, 1939 is documented as well as his subsequent productions. Also displayed are the small gas turbine engines developed locally by Dr. Anselm Franz at Avco Lycoming which power such helicopters as the Bell Helicopter UH-1 Iroquois or "Huey" and the Boeing CH-47 Chinook. Other exhibits include ones on tilt rotor development; current photos
Chinook Jargon orthography of the Confederated Tribes of Grand Ronde which differs significantly from the orthographies used by early linguists and diarists recording other versions of the Jargon: Chinook Jargon Chinook Jargon (also known as ', or ') is a nearly extinct American indigenous language originating as a pidgin trade language in the Pacific Northwest, and spreading during the 19th century from the lower Columbia River, first to other areas in modern Oregon and Washington, then British Columbia and as far as Alaska and Yukon Territory, sometimes taking on characteristics of a creole language. It is partly descended from the Chinook language,