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 | Atmos clock regulator spanner GBP 10.0 Category : Desk, Mantel & Shelf Clocks Seller : fred14142(1030, 100.0%) |  | Unique 'Commercial' slide rule in box with care instructions GBP 9.5 Category : Engineering & Surveying Seller : fred14142(1030, 100.0%) |
 | cancelled item GBP 1.0 Category : Engineering & Surveying Seller : fred14142(1024, 100.0%) |  | Faber-Castell 1/22 Disponent slide rule , Aug 1952 boxed and in VG condition GBP 25.4 Category : Engineering & Surveying Seller : fred14142(1027, 100.0%) |
 | USSR manufactured slide rule with case GBP 15.0 Category : Engineering & Surveying Seller : fred14142(1030, 100.0%) |  | Duplicate entry. Failed to erase this GBP 999.0 Category : Engineering & Surveying Seller : fred14142(1027, 100.0%) |
 | Faber-Castell 1/48 system Dr. Winkel for metal workers dated April 1943 GBP 35.0 Category : Engineering Tools Seller : fred14142(1028, 100.0%) |  | British 'Unique' company Commercial slide rule circa 1940 GBP 11.4 Category : Engineering & Surveying Seller : fred14142(1027, 100.0%) |