Medical School, Paddington. L/S St Mary's Hospital camera pans up to Fleming's window. L/S Doctor Alexander Fleming (inventor of penicillin) working at table. M/S Doctor Fleming taking something from bottle which he puts onto micro-slide. L/S Students at work in laboratory. M/S Man working by flametometer. C/U Hands taking away glass that is filled with liquid and putting another one under it. Camera pans up tubes to flame. M/S Man holding up a glass of liquid, he tips this down tube. M/S Man sitting at desk he turns out light and looks into glass window. C/U Man looking through glass window. M/S Time-lapse camera, man and woman lowering camera. M/S Man and woman checking camera. C/U Camera. M/S Doctor and woman leaving time-lapse camera. C/U Time-lapse camera going on and off. C/U Light going on and off. Big C/U showing virus growing under time-lapse camera. FILM ID: A VIDEO FROM BRITISH PATHÉ. EXPLORE OUR ONLINE CHANNEL, BRITISH PATHÉ TV. IT'S FULL OF GREAT DOCUMENTARIES, FASCINATING INTERVI
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