The device is an electro-mechanical relay. When these contacts aretouching, the alarm...
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The device is an electro-mechanical relay. When these contacts are
touching, the alarm sounds. What keeps them apart is this ratchet device. As you can see, both have to
be perfectly synchronized or... (Alarm goes off.)
touching, the alarm sounds. What keeps them apart is this ratchet device. As you can see, both have to
be perfectly synchronized or... (Alarm goes off.)
Full Transcript
00:00:01.000 --> 00:00:03.926
The device is an electro-mechanical relay.
00:00:05.017 --> 00:00:08.603
When these contacts are
touching, the alarm sounds.
00:00:08.668 --> 00:00:10.029
What keeps them apart
00:00:10.999 --> 00:00:11.059
is this ratchet device.
00:00:11.616 --> 00:00:15.846
As you can see, both have to
be perfectly synchronized or...
00:00:15.966 --> 00:00:18.731
(Alarm goes off.)
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Movie Summary
In the 1890s, William Murdoch uses radical forensic techniques for the time, including fingerprinting and trace evidence, to solve some of the city's most gruesome murders.
![[Crabtree]
Do you like it? - Murdoch Mysteries](https://clip.cafe/img400/crabtree-do-like-it.jpg)
