Goofs

(at around 1h 25 mins) After Miss Yennie uses the funnel and throws it away, you can see it still assembled with the hose in the background at a following shot.

(at around 1h 23 mins) When Miss Yennie turns off the lights she turns off a plug socket. In the UK light circuits and socket circuits have to be separate so when she flicked the socket off only the appliance connected to the flex from the plug would go off and not the lights.