TABLE OF CONTENTS 



Page 



Introduction 1 



Description 1 



The television chain 1 



Power source 4 



Lights 4 



Operation of the equipment 4 



Cod-end observation 5 



Other Operations 8 



Cable handling problems 9 



Recording techniques 12 



Discussion . . 13 



Visibility 13 



Possible improvements in equipment 13 



General remarks 14 



Literature cited 14 



Appendix 16 



111 



