|
- Language
- Eng
- Author
- Brecht, George; Braun, Hermann; Feelisch, Wolfgang; Galerie und Edition Hundertmark
- Description
-
[19] sheets (3 folded) : ill. ; 32 cm.
- Edition
- 159/180
- First Edition Year
- 1978
- Abstract
- 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.
|