Vintage Mechanical Adding Machine – Full Keyboard
Updated August 14, 2026
| Lot number | 301 |
| Auction | A South Valley Warehouse of Wonders! |
| Date | August 22, 2026 at 5:30 PM EDT |
| Auction house | Desert Bloom Estate Sales |
| Location | Fayetteville, North Carolina |
Vintage full-keyboard mechanical adding/listing machine with classic black metal body, green keyboard panel, black and ivory number keys, large operating lever and wide rear paper carriage. Serial number A69214 is visible on the keyboard panel. This substantial early office machine has a great industrial/antique appearance and would make an excellent display piece for an office, accounting collection, vintage shop or prop décor. The design is consistent with early full-keyboard adding machines made by companies such as Burroughs and Barrett; without a visible maker’s plate in the photos, the exact manufacturer/model is not confirmed. Similar machines used the rear carriage to print calculations onto paper. Operational condition has not been tested. Please review photos carefully for condition and completeness.
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