We searched for“Felt & Tarrant Comptometer calculating machine”(identified as Felt & Tarrant, confidence: High)
Typical realised range (Gemini estimate): £50-£300
Comparables
35
Median
£30
Suggested estimate
£20 – £45
25–75% range
£22 – £66
Overall range
£2 – £11,114
Distribution
Sell-through 94% of lots sold
0% at premier salerooms
Median from 30 sold (all-time — too few recent sales)·hammer prices, excl. buyer's premium — fair-market auction value (retail/insurance replacement runs higher)
104 comparables for “Antique Comptometer Calculating Adding Machine” · page 23 of 5