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Thornton | |||
Description | Price | Date | Bids |
Prices of slide rules sold on ebay (the internet auction) in Nov-2007 | |||
Vintage slide rule scientific British Thornton | $19.99 | 12-Nov-2007 | 2 |
BRITISH THORNTON AD 150 slide rule REGOLO CALC | $17.50 | 08-Nov-2007 | 10 |