Card Catalog 48

on November 19, 2011

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Updated 4-foot tall 48-drawer pre-computer manual storage system for finding books and other materials at a library. Has been updated to put rod screw in bottom of drawer, used to hold the cards in the drawer, which are held in place by a bottom hole similar to the grab points on a Rolodex card. This catalog would typically contain hundreds of cards in each drawer, each representing one book, map, record, movie or other item. Some libraries continue to maintain the paper card catalog as a backup, but the enormously reduced labor and cost to use a computer-based catalog instead of a manually organized card file, has caused most libraries to discontinue paper-based card catalogs. But, if you're doing a pre-1980 library it will have card catalogs like this. This particular case could have held about 20,000 records allowing space for examining cards and inserting new or replacement ones. The main downtown branch of the Los Angeles Public Library, for example, which had about 2 1/2 million items before the two fires, would have had to have had about 150 of these in the main search room, for that one branch alone (they would have used the much larger 128- and 136-shelf catalogs). There are also two much larger versions of this model, one with support shelves that has 128 drawers, and one without support shelves that has 136 drawers, either for use in very large libraries.

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