Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Dept of Energy, information on alternative energy
Booklet 'Drawing Heat from the Earth - geothermal energy technology in Britain'. 16 pages, stapled.
Pwnc
Diwydiant
Rhif yr Eitem
90.31I/4
Creu/Cynhyrchu
Department of Energy
Derbyniad
collected officially, 1990
Mesuriadau
Meithder
(mm): 295
Lled
(mm): 209
Deunydd
Paper
Card
Metal
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.