The colophon has three coat check tickets indicating that this copy is 467; however, there are only 50 copies in the edition, numbered from 450-500. To eliminate confusion in this listing, this copy is designated 17/50. -- Source of annotation: Marvin or Ruth Sackner.

This exhibition, which featured fine press work, was curated by Francis Mattson and Daniel Tierney, Jr. -- Source of annotation: Marvin or Ruth Sackner.

Exhibition featured twelve three dimensional paper book objects. Organized by the Center for Book Arts. Brief introduction by Norman B. Colp. -- Source of annotation: Marvin or Ruth Sackner.

This book consists of intricate varied colored paper, pop-up constructions and collages. As would be expected from the title of the work, several of these constructions come under mechanical tension as the pages are opened. The theme of this work is typical of Weier's ouevre of this period. -- Source of annotation: Marvin or Ruth Sackner.