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BA 6957 - Fleischmann-HOnl
FLEISCHMANN's Basic Block-System set 6957 consists of one power-pack connector A, three block relays plugged together and one bridging link V, as seen in Fig 1 The set is used to hook up three block sections of track, making it possible to operate two trains simultaneously on a single-track line without danger of rear-end collision Hook-up and Operation Fig 2 shows the schematic hook-up