Page marking device

Object Number: 
2002.1.227
Date: 
1930-1950
Medium: 
Paper, cardboard, metal?
Dimensions: 
Overall: 2 1/2 x 1 1/2 in. ( 6.4 x 3.8 cm )
Description: 
Red and beige box containing mechanical page marking device that attachs to the cover of a book. The instructions with diagrams remain, the device has been lost.
Credit Line: 
Gift of Bella C. Landauer
Due to ongoing research, information about this object is subject to change.
Creative: Tronvig Group