Dan.Strassberg wrote: > <snip> I don't think that Poniatoff (Ampex--for Alexander M Poniatoff) > had produced any commercially > marketed tape recorders until probably 1947 or 1948--but I could be > wrong. Harvard Business School bio of Alexander M. Poniatoff states that Ampex produced the first Magnetic Tape Recorder in 1948. (Model 200, IIRC)