Hourglass Book

This accordion fold book was made in the '90's, before I had a digital camera so this is a scan. The hourglass actually works when the book is tilted, taking 17 seconds for the sand to fall. I was very happy when this book was featured in Making Books and Journals, published in 1999.

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Uploaded on March 3, 2011
Taken on March 2, 2011