Systems at Work

December 14, 2011 – Permanent
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The Carrier Sequence Barcode Sorter (CSBCS)

National Postal Museum
2 Massachusetts Ave., NE
Washington, DC

Level 1

See on Map Floor Plan

Each day the United States Postal Service processes hundreds of millions of pieces of mail and delivers to over 150 million addresses. At the center of this bustling postal network are more than a hundred Processing and Distribution Centers spread across the United States. You drop a letter in a mailbox and then what happens? You receive mail at home or the office! But how does it get there? Find out in this exhibition that re-creates the paths of letters, magazines, parcels, and other mail as they travelled from sender to recipient over the last 200 years.