NBC, National Broadcasting Company, Inc; Radio Recording Division; Side A: Record 1125; Sound Effects; 123. Drill Press, Small Electric Machine, Turbines (2¼-3:42); 124. Circular Saw Cutting Metal, General Cutting Machine (1-3:30); 125. Wood Drill (1¾-2:10); 126. Rougher, High Speed Cutter, Machine Jammed (2-3:30); MS 085588; Side B: Record 1125; Sound Effects; 127. Small Dynamo, Elevator, General Machine, Mizer (3½-3:00); 128. Medium Dynamo (2¼-3:00); 129. General Dynamo (5-3:00); 130. Large Dynamos, Turbines, Engine Room Interior (3½-2:45); MS 085589