APPENDIX

  1. Items may be obtained through
            Electronix Express
            365 Blair Road
            Avenel, NJ 07001
            1-800-972-2225

  2. Items may be obtained through
            Fiber Instrument Sales (FIS)
            161 Clear Road
            Oriskany, NY 13424
            1-800-500-0347

  3. Items may be obtained through
            Edmund Scientific, Inc.
            101 East Gloucester Pike
            Barrington, NJ 08007
            856-573-6250