细节
                                        
                                            A wall telephone,
with magneto, receiver, transmitter and writing slope, in oak case with instructions in door -- 20½in. (52cm.) high, (lacking receiver earpiece), American, circa 1910
                                        
                                    with magneto, receiver, transmitter and writing slope, in oak case with instructions in door -- 20½in. (52cm.) high, (lacking receiver earpiece), American, circa 1910