00524cam a22001931 4500 963915 BD-DhUL 20161206091921.0 851113s1947 nyu 0 eng d 963915 ANL eng ANL BD-DhUL 414 POV Potter, Ralph Kimball. Visible speech / R.K.Potter, G.A.Kopp and H.C.Green. N.Y. : Van Nostrand, 1947. Bell Telephone Laboratory series Visible speech. ddc BK 131585 131585 0 0 ddc 0 414_000000000000000_POV 0 NFIC 247525 DUL DUL GEN 2016-12-06 Purchased 414 POV A4544 2016-12-06 2016-12-06 BK 0 0 ddc 0 414_000000000000000_POV 0 NFIC 247527 DUL DUL GEN 2016-12-06 Purchased 414 POV A5901 2016-12-06 4 2016-12-06 BK