Browsing Dorothy Rungeling fonds RG 517 by Subject "Aviation; Helicopters; Ratliff, Bert; Bell Helicopter Corp."
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Article - "Fixed Wing to Whirly Bird"An article written by Dorothy Rungeling about her experience flying a helicopter for the first time. She is instructed by Bert Ratliff of the Bell Helicopter Corp. in a Bell G2 Trooper.