The Ruhl Series Vol. III

The Moritz Ruhl Uniform Series 1896-1914 vol.IV (Uniformology CD-2004-27)
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The Moritz Ruhl Uniform Series 1896-1914 vol.II (Uniformology CD-2004-25)
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The Moritz Ruhl Uniform Series 1896-1914 vol.I (Uniformology CD-2004-24)
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Messerschmitt Bf.109 G-K Augsburg Eagl (1)
The Bf 109 G-series was developed from the largely identical F-series airframe, although there were detail differences. Modifications included a reinf...

Curtiss H.12 (Windsock Datafile 125)
This is the latest in a series of excellently produced publications on early aircraft of the World War I period. The series presents a developmental h...