Buyenlarge "Balloon Design and Engineering Paper Poster, 18" x 27"

Buyenlarge "Balloon Design and Engineering Paper Poster 18" x 27"

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SKU:
O329039
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Design drawing shows Proposal by Louis Panafieu in which the operator in an open car attached to the balloon achieves lift without loss of gas in Ballast by manipulating cords on underside of the balloon. Includes horizontal, front, elevated and descending views
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