Title reads: "Britain's biggest. Lady Salvidge, by moving lever a few inches, increases capacity of Liverpool's mammoth power station to 100,000 kilowatts".
M/S of the interior of power station; lots of machines with cogs, wheels and levers. Lady Salvidge, with a party of dignitaries, inspects machines. She passes her bouquet to nearest man and bends down to lift a small lever on machine. A man in boiler suit enters and turns a large wheel vigorously, one of dignitaries in foreground starts three cheers.
Various shots of pipes and boilers around station. Panning shot of Lady S. and dignitaries seated around a piece of machinery. A man stands to give speech. The Mayor then speaks. M/S of another man speaking, he presents Lady S. (standing beside him) with a glass dish. Another man gives a speech. Panning shot of crowd looking over railings of large balcony. More shots of pipes and machinery.
Note: according to issue sheet a yellow tinted nitrate print of this item exists.