How To Build A 20 Foot Bi Plane Glider
A 1912 American construction manual by Alfred Powell Morgan, giving amateur builders step-by-step plans for a twenty-foot biplane glider. Line diagrams show wing ribs, strut layouts, fabric hems and stitching, and perspective views of the open frame, all labelled and dimensioned in feet and inches, offering clean technical hatching, measurement callouts and skeletal aircraft geometry.
