"Leonardo da Vinci had an idea for an aircraft with a spinning blade, but the first helicopter only appeared in the 1930s. Carrying supplies, rescuing casualties, transporting soldiers, bombing targets: read about the many tasks of the modern helicopter in conflict."--
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"Leonardo da Vinci had an idea for an aircraft with a spinning blade, but the first helicopter only appeared in the 1930s. Carrying supplies, rescuing casualties, transporting soldiers, bombing targets: read about the many tasks of the modern helicopter in conflict."--
Read Less
Add this copy of A Timeline of Helicopters (Military Technology to cart. $92.09, good condition, Sold by Bonita rated 4.0 out of 5 stars, ships from Newport Coast, CA, UNITED STATES, published 2017 by Capstone Pr Inc.
