Chatley, Herbert, 1885- · New York, D. Van Nostrand company · leaf 5
Air. By Robert Zahner, M.E. Newedition, in press. No. 41. STRENGTH OF MATERIALS. By Wil-liam Kent, C.E., Assoc. Editor EngineeringNews. Second edition. No. 42. THEORY OF STEEL-CONCRETE Arches, and of Vaulted Structures. By Prof.Wm. Cain. Fourth edition, thoroughly re-vised.No. 43. WAVE AND VORTEX… … CENTER OF PRESSUREIN FRONT OF CENTER NORMAL PRESSURE-RESOLVED INTO LIFT AND DRIFT /^(M sNote.—This figure is not intended to represent a desigThe planes are usually curved, the motor and propellenarrangement of revolvable main surfaces has not yet been a DECERNED IN AEROPLANE DESIGN.
Airplanes
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