1.123 Maoni
A document about the installation of a 1.5 million volt generator that was built in the hall of the Brno Exhibition Center to test the insulation of long-distance high-voltage power lines.
Kutolewa: Dec 31, 1950
Wakati wa kukimbia: 1:47:31 dakika
Lugha: Český
Nchi: Czechoslovakia
Tuma: