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- 언어
- Eng
- 저자
- George Brecht; Hermann Braun; Wolfgang Feelisch; Galerie und Edition Hundertmark
- 형태사항
-
[19] sheets (3 folded) : ill. ; 32 cm.
- 에디션
- 159/180
- 최초제작연도
- 1978
- 초록
- Includes: title sheet; letter to George [Maciunas] by Braun concerning a crack testing method known as Fluxprüfung, with technical documentation (12 p.); proposal by Brecht and Feelisch for a null propeller with equal forward and backward thrusts (4 p.). Most sheets printed offset on 1 side only. Title sheet signed by the 3 authors and numbered in pencil.
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