Development of lighter than air rigid airships for commercial use. Hearings before committee on Merchant Marine and Fisheries, House of Representatives, Eightieth Congress, second session, on H. R. 6153, a bill to authorize the United States Maritime Commission to provide for the development of lighter than air rigid airship for commercial use; and H. R. 6628, a bill to provide for a program in the field of lighter than air aeronautics under the direction of the United States Maritime Commission, and for other purposes. May 27, 1948.

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