Watsky, Lance wrote: > I was hoping that someone can tell me if the following statement is > true or incorrect: > > A colleague was telling me that you can tell the difference between > an audiotape that was recorded on an acetate tape, versus one that > was created on a polyester base, by holding the tape up to a light > source. The colleague went on to say that light will pass thru the > acetate tape, whereas it will not pass thru polyester tape. > She knows of what she speaks. Hold the reel up to light, you should see light through the edges on an acetate tape. Angie Dickinson www.avocadoproductions.com