EARLY TELEVISION - Size: 166.76K, Duration: 13 seconds HERTZ'S EXPERIMENTS - Size: 409.23K, Duration: 30 seconds MARCONI AFTER TITANIC - Size: 250.81K, Duration: 19 seconds MARCONI EXPERIMENTING - Size: 311.89K, Duration: 25 seconds MARCONI ON ELETTRA - Size: 155.64K, Duration: 12 seconds MARCONI ON ELETTRA - Size: 192.99K, Duration: 15 seconds MARCONI'S FUNERAL - Size: 511.40K, Duration: 41 seconds PROTOTYPE: MAGNETIC DETECTOR - Size: 319.60K, Duration: 26 seconds RECONSTRUCTION: EARLY EXPERIMENTS - Size: 877.03K, Duration: 70 seconds