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Collection records.
Original source room: ChessEval Forum · France Double R
France Double RCHESS-EVAL COLLECTION
A French marketing and manufacturing Corporation founded by Frederic Ries. Installed at the angle of rue Baron and rue Roberval - maybe the origin of the Double R name of the Company (Roberval + Ries). Put on the market the first French Chess Computer "La Regence". France Double R went bankrupt, and Sandy Electronics manufactured and sold a "La Regence" with same wood design (with the button legends in German), but different for its hardware and its software version.
Detailed Museum records and historical inventory records share this manufacturer room. When an original inventory entry matches a detailed record, the detailed Museum record is canonical.
This manufacturer room is a documentation view. Individual physical machines, including duplicate examples, are tracked in the separate specimen registry.
Original source room: ChessEval Forum · France Double R