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railway trackside engineering question what is....?

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Ribenapigeon
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PostPosted: 11:23 - 02 May 2016    Post subject: railway trackside engineering question what is....? Reply with quote
What are those white rectangular plates spaced about twenty meters apart at the side of the track? They have what looks like a nob that slides up and down on the right hand and some code numbers on the left and are about 10"x8" in size.

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Pete.
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PostPosted: 11:26 - 02 May 2016    Post subject: Reply with quote
Datum plates.
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Kidjal
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PostPosted: 14:05 - 02 May 2016    Post subject: Reply with quote
Dont they measure the correct height of the track at different points?

Had no idea thats what they were called though
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Pete.
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PostPosted: 14:15 - 02 May 2016    Post subject: Reply with quote
Kidjal wrote:
Dont they measure the correct height of the track at different points?

Had no idea thats what they were called though


Datum plates...
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132.9mph off and walked away. Gear is good, gear is good, gear is very very good Very Happy
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Ribenapigeon
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PostPosted: 14:30 - 02 May 2016    Post subject: Reply with quote
Kidjal wrote:
Dont they measure the correct height of the track at different points?

Had no idea thats what they were called though


I did wonder if it was something like that.
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Ribenapigeon
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PostPosted: 14:40 - 02 May 2016    Post subject: Reply with quote
Its as I thought. A reference point essentially. https://www.railsigns.uk/info/other1/other1.html
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Lord Percy
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Joined: 03 Aug 2012
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PostPosted: 16:12 - 02 May 2016    Post subject: Reply with quote
Pete. wrote:
Datum plates.


Pete. wrote:
Kidjal wrote:
Dont they measure the correct height of the track at different points?

Had no idea thats what they were called though


Datum plates...


Ribenapigeon wrote:
Its as I thought. A reference point essentially. https://www.railsigns.uk/info/other1/other1.html


So they're datum plates then.
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Rogerborg
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PostPosted: 16:24 - 02 May 2016    Post subject: Reply with quote
https://www.railsigns.uk/info/other1/pic_warnnr.jpg

Racists. Racists everywhere.
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Ste
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PostPosted: 19:53 - 02 May 2016    Post subject: Reply with quote
Rogerborg wrote:
https://www.railsigns.uk/info/other1/pic_warnnr.jpg

Racists. Racists everywhere.

https://i.imgur.com/oNdHGEV.png
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swampy
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PostPosted: 20:00 - 02 May 2016    Post subject: Reply with quote
Ste wrote:
Rogerborg wrote:
https://www.railsigns.uk/info/other1/pic_warnnr.jpg

Racists. Racists everywhere.

https://i.imgur.com/oNdHGEV.png


https://i.imgur.com/oNdHGEV.png
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Rogerborg
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PostPosted: 22:16 - 02 May 2016    Post subject: Reply with quote
Fascists as well. Mad
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