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Flying Machines: Construction and OperationW.J. Jackman and Thos. H. RussellA Practical Book Which Shows, in Illustrations,Working Plans and Text, How to Build and Navigate theModern Airship.ByW.J. Jackman, M.E.,Author of "A B C of the Motorcycle,""Facts for Motorists," etc. etc.ANDTHOS. H. RUSSELL, A.M., M.E.,Charter Member of the Aero Club of Illinois, Author of"History of the Automobile," "Motor Boats: Constructionand Operation," etc. etc.WITH INTRODUCTORY CHAPTER BYOCTAVE CHANUTE, C.E.,Presi