VHS Geothermal Update - Tomorrows World Footage on the Geothermal Energy Project taken from the BBC television programme Tommorow's World. Programme features a downhole viewing system, a look at Cornish Granite, some earlier footage from 1979 when the programme reported previously on the project and a report of how the project has developed and what lies ahead in the future. Developments reported include the sinking of 2 new wells, fracturing of the rock, a new pump house sending water underground, hopes for industrial backers and the possibility of a power station [2 copies]. This section begins 19 minutes into the footage and is approximately 6 minutes long. c1987