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| auction house | # clocks auctioned in The Clock Register | |
|---|---|---|
| 1 | Bonhams | 114 |
| 2 | Van Spengen | 33 |
| 3 | Sotheby's | 32 |
| 4 | Christie's | 14 |
| 5 | Dreweatts | 8 |
| 6 | George Kidner | 4 |
| 7 | Auktionen Dr. Crott | 3 |
| 8 | Dreweatts & Bloomsbury | 2 |
| 9 | Phillips | 2 |
| 10 | Windibank | 2 |
| 11 | De Zwaan | 2 |
| 12 | Antiquorum | 1 |
| 13 | Aste di Antiquariato Boetto | 1 |
| 14 | Willow Auction House | 1 |
| 15 | Tennants | 1 |
| 16 | Woolley & Wallis | 1 |
| 17 | George Mealy | 1 |
| 18 | Vickers & Hoad | 1 |
| 19 | Halls Fine Art Auctioneers | 1 |
| 20 | Schmitt Horan & Co. | 1 |