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Filtering by: Creator Wierzbicki, Igor H. Decade 1940-1949

The probable use of helicopters in forestry

Creator:

Campbell, Glen E.

Resource Type:

Undergraduate Thesis

Full Text:

capabilities and from all appearances the helicopter will be just as successful, Igor Sikorsky (5) believes
The aircraft and its use in fire control

Creator:

Rogers, Russell E.

Resource Type:

Undergraduate Thesis

Full Text:

the United States the first entirely successful helicopter was built by Igor Sikorsky, a Russian-born