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Wooden magnetic wall telephone device (mahogany). On top are two metal bells. In the middle section of the device is the telephone line routing panel. Left, the indication «MAIN TO EXTN» offering the ability to direct the external line to another telephone device within the area. Left the indication «MAIN TO EXCH» that connects the outside line with the region telephone center. In the center the indication «EXCH TO EXTN» connecting the line from the telephone center to another telephone device within the area. Below, red button reading «LIST».