"Send men down with flame cutters and explosives," Ticia said.

The Teletype Model 43 ASR gave listings and punch tape for the early NC flame cutters.

A videotape of the rescue, made by a member of the team, shows the men in miners' helmets with headlights at the front tunneling into the rubble from the side, chipping away at the concrete that tinkled down the side of the mountain and cutting through iron rods with a flame cutter powered by gas.