Demonstration of Closed Circuit TV by filming Wiliam C. H. Meyer in an Automotive classroom at the New York Trade School

Depiction of closed circuit TV students at the New York Trade School filming a voltage regulator check performed by William C. H. Meyer. Original caption reads, "Closed-circuit TV takes a class at the New York Trade School into the Automotive Shop where William C. H. Meyer, head of the Automotive Department, demonstrates a voltage-regulator check. Students Robert Niefeld (left) and Denis Mahoney serve as cameramen." Black and white photograph part of series of four photographs accompanying a press release of the New York Trade School announcing the demonstration of a new technique in closed-circuit TV developed at the New York Trade School.