Rare vintage Livermore Data Systems Model B acoustic coupler modem in its original handcrafted wooden carrying case.

Identification plate is marked Model B, Serial Number 331, Livermore, California. The wooden case also has an old UC DAVIS property marking and inventory number, suggesting possible University of California provenance.

Includes the modem and original wooden case shown in the photos. No power cord, telephone handset, computer cable, manuals, or other accessories are included.

The unit has not been tested and is being sold as-is for collection, restoration, museum display, or historical research. The rubber acoustic cups show significant age, dirt, oxidation, and deterioration. The wooden case has scratches, marks, stains, finish wear, and other signs of institutional use and long-term storage.

Please review all photos carefully for exact condition and contents. No guarantee of operation. Do not attempt to power the unit without appropriate vintage electronics knowledge.

Condition: For parts or not working — Untested.