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Box 14

 Container

Contains 33 Results:

An Investigation into the Rotor Torque Problem of the Hafner Helicopter, 1938 Sep

 File — Box: 14, Folder: 29
Scope and Content From the Collection: The Bernard Lindenbaum Vertical Flight Research Collection is a very large collection documenting the history and development of helicopters and V/STOL aircraft from the mid-1940s to the 1990s. The collection contains research reports, conference reports, blueprints, and film documenting this development. Researchers should be aware that, except for the photographs series, the collection was minimally processed in that each box was fully inventoried, but no effort was made to place the...
Dates: 1938 Sep

Specification – Hafner Helicopter P.D.6, 1938 Sep

 File — Box: 14, Folder: 30
Scope and Content From the Collection: The Bernard Lindenbaum Vertical Flight Research Collection is a very large collection documenting the history and development of helicopters and V/STOL aircraft from the mid-1940s to the 1990s. The collection contains research reports, conference reports, blueprints, and film documenting this development. Researchers should be aware that, except for the photographs series, the collection was minimally processed in that each box was fully inventoried, but no effort was made to place the...
Dates: 1938 Sep

Specification – Hafner Helicopter P.D.7, 1938 Sep

 File — Box: 14, Folder: 31
Scope and Content From the Collection: The Bernard Lindenbaum Vertical Flight Research Collection is a very large collection documenting the history and development of helicopters and V/STOL aircraft from the mid-1940s to the 1990s. The collection contains research reports, conference reports, blueprints, and film documenting this development. Researchers should be aware that, except for the photographs series, the collection was minimally processed in that each box was fully inventoried, but no effort was made to place the...
Dates: 1938 Sep