Vintage Ken-Add Purse-Size Adding Machine
Updated October 15, 2026
This auction ended on October 16, 2026.
See upcoming auctions from Nelson's Auction Services LLC.
| Lot number | 115 |
| Auction | October Multi-Consignor Auction - 1 |
| Date | October 16, 2026 at 6:30 PM CDT |
| Auction house | Nelson's Auction Services LLC |
| Location | Old Ripley, Illinois |
Step back in time with this charming and highly collectible Ken-Add purse-size adding machine. A fantastic piece of mid-century office history, this portable device comes housed in a sleek, textured metal case that fits easily in the palm of your hand. The interior lid features a wonderfully preserved instructional card, detailing the "easy and accurate way to add," while the main unit showcases four rotating dial-wheels, perfect for calculating dollars and cents. Included with this set is the original slim green stylus, secured neatly in its own dedicated compartment. This is an absolute must-have for any collector of vintage mechanical gadgets or retro office ephemera!
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