Blackwood convention Blackwood convention In the partnership card game contract bridge, the Blackwood convention is a popular bidding convention that was developed by Easley Blackwood. It is used to explore the partnership's possession of aces, kings and in some variants, the queen of trumps, to judge more precisely whether slam is likely to be a good contract. Two versions of Blackwood are common: "standard" Blackwood, developed by Easley in 1933, and "Roman Key Card" Blackwood ("RKC" or "RKCB"), named for the Italian team which invented it. Standard Blackwood enables one partner to count partnership aces and kings in general. Key card variants
E-M-F Company 1909, E-M-F bought the Detroit plant of the De Luxe company and began production of E-M-F cars. E-M-F produced several models of its own design and contracted to sell them through Studebaker wagon dealerships. E-M-F vehicles outsold all but Ford. Late in 1909, E-M-F established a Walkerville, Ontario, branch plant to produce the E-M-F 30 and Flanders 20. Shortly afterward, E-M-F was bought out by Studebaker, which formed Studebker Canada, and rebadged E-M-F's products: the E-M-F as the Studebaker 30, the Flanders as the Studebaker 20 Sales of these rebadged models continued through the end of 1912. Studebaker's president Fred