« A History Blank, Empty and Missing Things #77--Blank Enumerators in Sand, Pebble and Dust Computers | Main | One of the Most Beautiful Books in the History of Holes »
JF Ptak Science Books Quick Post
In a flexible spirit of fun, and since this blog is after all is spawned from a science bookseller site, I offer the following few examples of pocket protectors culled from reports of the U.S. Patent Office.
1890's
1900
1909
1940's
1943:
1950's
1970:
And here's one I didn't think of:
TrackBack URL for this entry:
http://www.typepad.com/services/trackback/6a00d83542d51e69e2015432ee1407970c
Listed below are links to weblogs that reference A Terribly Short Illustrated Note on the History of Pocket Protectors:
This is only a preview. Your comment has not yet been posted.
As a final step before posting your comment, enter the letters and numbers you see in the image below. This prevents automated programs from posting comments.
Having trouble reading this image? View an alternate.
Comments