73099661
Sep 13, 1976
Jul 25, 1978
SEWER LINE INSPECTION SYSTEM COMPRISING A SKID MOUNTED TELEVISION CAMERA FOR USE IN A SEWER PIPELINE, A CONTROL AND VIEWING ASSEMBLY FOR CONTROLLING AND MONITORING THE VIEW SEEN BY SAID CAMERA, ELECTRICAL CABLE MEANS FOR CONNECTING THE CONTROLLING AND VIEWING ASSEMBLY TO THE CAMERA, AND WINCH MEANS FOR ADVANCING THE CAMERA THROUGH A SEWER LINE
Electrical and Scientific Apparatus