Darkest Hour

Darkest Hour (2017)

1 corrected entry

(1 vote)

Corrected entry: A quartz clock is shown (it being quartz can be understood by the movement of the second hand, jumping each second). It was only in the 1960s that the development of cheap semiconductor digital logic made their public and domestic use possible - their use before that was limited to some specific applications (like some scientific laboratories and so on).

Correction: The second hand jumping each second is not unique to quartz clocks. An escapement providing a second hand that ticks once per second was invented in 1675 and popularised around 40 years later. It became the standard for pendulum clocks. So this clock is behaving perfectly normally for a mechanical clock.

Factual error: The underground station shown is not St. James Park, which would be 1 stop east on the District line. St. James Park has green and yellow tiles on the wall indicating District and Circle lines. The platform in the film has black and brown tiles, indicating Northern and Bakerloo lines, neither of which serve St. James Park.

Crusoe

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Question: In the 'War Room' scene, there appeared to be a sheet of plastic or acetate covering the wall with the map of the enemy's movements. Was that premature for plastic to be available in that size for that time frame?

Myke

Answer: It was probably Perspex, an acrylic plastic commonly available at the time, used for, amongst other things, fighter plane cockpit canopies and windscreens.

stiiggy

Answer: It may be polyethylene, which was in wide use by the 1930s. Other plastics were also available at that time.

raywest

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