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Spektakuläre Luftbild-, Flieger- und Ballonfahreraufnahmen 1890-1918 (by, Heribert Trotz, published by Nusser Verlag München, 1976, size about 21 x 30 cm, ISBN 3-88091-012-X)
Although written in German, I would recommend this book to all „early aviation enthusiasts“,
since there are a lot of rare and good pre-1918 aviation related photos in it I’ve never seen before. The book was printed in the mid-1970’s and I found it on a website specialised on antique books for a few Euro. About one half of the 160 pages are covered with good quality photos and so “being unable to read German” is not a serious disadvantage…
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Best regards from Germany
Volker Nemsch
"My words came out fine. The problem is that they were incorrectly processed by your brain."
(???)
"Much to learn, you still have."
(Yoda)
"I never said all that shit!"
(Confucius)