World War 2 Fighter Aircraft Design Metalcraft Air Force Northrop Engineering For Sale

Amazing complete set of 5, 1938 (pre-war) technical lesson books/binders! MODERN AERO METALCRAFT CONSTRUCTION, Theory Design Practice from Aero Industries Technical Institute by Robert E Gross (Viking Flying Boat Company), John K Northrop (founder of Northrop Corporation) and C E van Dusen. Theory and practical training. Pages number from 150 to 350 or so, with some fold out blueprints, binders are 9 x 11 ½ inches. Includes some inserts like completed tests and technical booklets or papers. First book (about 150 pages), Lessons 1 – 8: History and development of the modern airplane, aircraft factory organization, typical aircraft assembly practice and aircraft materials. Second book (about 150 pages), Lessons 9 – 16: Forming processes, hydraulic press and more.Third book, Lessons 17 – 24 (about 200 pages): Sub assembly practice, spotwelding, drop hammer practice (ouch!), foundry and forging practice, torch welding and more.Forth book (about 200-250 pages), Lessons 25 – 32: machine shop tools and principles, punch press, toggle press, tool and die construction and more.Fifth book (300-350 pages), Lessons 33 – 40 (parts I & II): Wing assembly, assembly jigs, protective coatings and finishes, electrical radio equipment installation, power plant and piping and more. Obviously, the lessons here related directly to American aircraft construction before and during our entry into the war. Not just an important engineering collectible but an important piece of history. Condition: As shown. Less wear than you expect for lessons binders this age. Very light tanning. Minor general wear with a bit more to some edges. Minor blemishes. Some age spotting, mainly minor and to page edges.

---

---