Capítulo de livro
Production, Sales, and Imitations
2022; Springer International Publishing; Linguagem: Inglês
10.1007/978-3-030-95033-0_14
ISSN2365-0613
Autores ResumoLilienthal considered his Normalsegelapparat with a 13 m2 wing to represent a kind of standard model, as suggested by his choice of name. According to Beylich, 12 copies of this model were built, and nine of the buyers’ names are known.
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