00486nam a22001457a 450000500170000000800410001702000180005808200140007610000240009024501180011426000470023230000180027965000200029765500230031720260406163644.0260406b |||||||| |||| 00| 0 eng d a9780674622128 a384.1 BLO aBlondheim, Menahem. aNews over the wire b: the telegraph and the flow of public information in America, 1844-1897c/Menahem Blondheim aLondonb: Harvard University Pressc, 1994 a305p.c; 24cm aCommunications. aTelecommunications