Machinery in an electricity generating centre.
"Bigger and better sparks... to test the bigger and better insulators needed for new high voltage lines all over Europe - some of the gear."
Interior of an electricity generating centre. Various parts of the equipment are seen in C/U. We see a million volts being unleashed. In the dark we see the sparks spidering out. Short segment - incomplete.
Was an item in Pathe Pictorial issue number 673.