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What is this? Relay and clockwork in a box

Started by dsk, February 01, 2014, 06:58:39 AM

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dsk


Matilo Telephones

Intriguing machine. Looks home made.

IsnĀ“t it one of those machines that transcribes the telegraph message onto paper tape?
Groeten,

Arwin

Check out my telephone website: http://www.matilo.eu/?lang=en

And I am on facebook too: www.facebook.com/matilosvintagetelephones

G-Man

Aside from being a cobbled together mess, it appears to be a homemade selector mechanism. Note the wiper contact driven by the electromagnet.  The springworks returns it to the homing position on reset.

twocvbloke

Looks to me like an old radio receiver, back in the days when they used to use chaotic, untuned waves to send morse code from old Marconi spark-transmitters, the arm with the little hammer on the end which would tap on the little brown tube, which if my guess is correct is a coherer, it reminds me of this demonstration in TSLOM:

http://youtu.be/2roG4jIjvEk?t=5m20s

:)

G-Man

Quote from: twocvbloke on February 01, 2014, 07:42:33 AM
Looks to me like an old radio receiver, back in the days when they used to use chaotic, untuned waves to send morse code from old Marconi spark-transmitters, the arm with the little hammer on the end which would tap on the little brown tube, which if my guess is correct is a coherer, it reminds me of this demonstration in TSLOM:

http://youtu.be/2roG4jIjvEk?t=5m20s

:)


Twocvbloke you may be on to something but while I can see the hammer why is there a rotary selector involved?

twocvbloke

I don't think it is a rotary selector, it looks just like wiring with some clockwork bits to keep the hammer tapping, I don't really understand old receivers that well, and as it's home-made it's even more confusing... ???

TelePlay


DavePEI

Quote from: twocvbloke on February 01, 2014, 08:20:24 AM
I don't think it is a rotary selector, it looks just like wiring with some clockwork bits to keep the hammer tapping, I don't really understand old receivers that well, and as it's home-made it's even more confusing... ???
Bang on! The yellow tube is the coherer and the clockwork mechanism is the shaker or knocker to distribute the nickle filings in-between pulses. I haven't seen a spark receiver since I was a kid!

Amazing.

Dave
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