The Ryan aircraft companies production over their premier years. Their specials and production aircraft which in later years to the specialized drone types.

A pioneering aircraft manufacturer of Great Britain, during the early part of the 20th. Century. At the very forefront of British Aviation.

The North American Aircraft manufactures from their very beginning to their take-over by Rockwell and their eventual take over. The book gives details on the many aircraft produced. Performance - Dimensions - Weights - power plants - construction - first flights - totals and where many of them served. Around 250 pages of information which contains - 312 pictures - 96 plans

The aviation history of Martin aircraft. From the beginning to their demise, as such. Information on their aircraft through to Martin Marietta and to their amalgamation with Lockheed. Biplanes, monoplanes, seaplanes, piston engines, jet engines, rockets and missiles, plus projects. The whole works ?

The aviation history of Northrop aircraft. From their very beginnings up to their later years. Their products over numerous years. Types with their performance, construction, weights, dimensions, first flights, power plants, plans in in some cases their demise, plus many other hard to find details. Around 495 aircraft details - 202 pictures and 73 plan diagrams.

One of the early pioneering companies of aviation in Great Britain, during the early part of the 20th. century. A comprehensive study of this British aircraft manufacturer

Armstrong Whitworth one of the early aircraft manufacturers of Great Britain. During the early part of the 20th. Century. A comprehensive study of this British manufacturer.