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Old road signs & road furniture
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Inglewood



Joined: 28 Dec 2010
Posts: 181
Location: Stone, Staffordshire

PostPosted: Mon Sep 21, 2020 4:38 pm    Post subject: Reply with quote

From Wiki
Quote:
Fingerposts erected in the West Riding until the mid-1960s had a distinctive style. At the top of the post was a roundel in the form of a hollow circle with a horizontal line across the middle, displaying "Yorks W.R.", the name of the fingerpost's location, and a grid reference. Other counties, apart from Dorset, did not display a grid reference and did not have a horizontal bar through the roundel. From 1964, many fingerposts were replaced by ones in the modern style, but some of the old style still survive within the West Riding boundaries.



Can anyone find one still out there?[/quote]



Search for "old road sign with grid reference", a few image results show up.
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peter scott



Joined: 18 Dec 2007
Posts: 6566
Location: Edinburgh

PostPosted: Mon Sep 21, 2020 5:34 pm    Post subject: Reply with quote





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Penman



Joined: 23 Nov 2007
Posts: 4330
Location: Lancashire

PostPosted: Mon Sep 21, 2020 7:47 pm    Post subject: Reply with quote

Hi
Thanks Peter.
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MVPeters



Joined: 28 Aug 2008
Posts: 756
Location: Northern MA, USA

PostPosted: Mon Sep 21, 2020 9:40 pm    Post subject: Reply with quote

I believe Somerset has a policy to re-furbish & re-use cast iron signs where feasable. There are a few in use that still have the pointing-hand style of destination arm.

Can a National Grid Reference be input to a UK GPS/SatNav? (I'm in the US so can't check).
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Penman



Joined: 23 Nov 2007
Posts: 4330
Location: Lancashire

PostPosted: Mon Sep 21, 2020 10:04 pm    Post subject: Reply with quote

Hi
Certainly won't enter on mine or any of the built in ones I've used.

Here is a quiz question for you.
The grid obviously uses squares, and although Latitude lines are parallel they are curved (concentric to the N Pole), lines of Longitude are straight but taper inwards as you move northwards.
Which line of Longitude is the Datum for the UK National Grid?
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Ray White



Joined: 02 Dec 2014
Posts: 4199
Location: Derby

PostPosted: Mon Sep 21, 2020 11:28 pm    Post subject: Reply with quote

Penman wrote:
Hi
Certainly won't enter on mine or any of the built in ones I've used.

Here is a quiz question for you.
The grid obviously uses squares, and although Latitude lines are parallel they are curved (concentric to the N Pole), lines of Longitude are straight but taper inwards as you move northwards.
Which line of Longitude is the Datum for the UK National Grid?


That, I would suggest, is a leading question. My first point of call was Wiki.
https://en.wikipedia.org/wiki/Prime_meridian_(Greenwich)
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peter scott



Joined: 18 Dec 2007
Posts: 6566
Location: Edinburgh

PostPosted: Tue Sep 22, 2020 11:45 am    Post subject: Reply with quote

https://www.movable-type.co.uk/scripts/latlong-os-gridref.html

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Penman



Joined: 23 Nov 2007
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PostPosted: Tue Sep 22, 2020 5:17 pm    Post subject: Reply with quote

Hi
Sorry Ray, it isn't the Prime Meridian.
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Penman



Joined: 23 Nov 2007
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Location: Lancashire

PostPosted: Wed Sep 23, 2020 8:46 pm    Post subject: Reply with quote

Hi
OK as there are no more takers.
It is the 2 Degrees West line.
Quote:
In 1494 the first prime meridian was drawn through the Azores islands by the crowns of Portugal and Castile under the terms of the Treaty of Tordesillas, as the two kingdoms wrangled over possession of the globe in the aftermath of Christopher Columbus' discovery of America. This artificial division of the earth became a feature of the subsequent trading of territories between rival kingdoms. By 1884, as a result of the British Empire's commercial pre-eminence, the globe's prime meridian was definitively drawn through Greenwich. By 1938 the line two degrees west was chosen as England's prime meridian running as it did through most of the country, from Berwick-Upon-Tweed on the Northumbrian coast to the Isle of Purbeck in Dorset.
Guided by his Ordnance Survey map, Nicholas Crane's book Two Degrees West walks the longitudinal tightrope of this most manmade of geographical lines, stretching nearly 600 kilometres from north to south, never deviating more than a few metres either side of the meridian. The result is a diverse cross-section of England in the late 1990s, from the bleak agrarian world of Northumbria and the Pennines to the racial and urban hybridity of the Black Country. Two Degrees West is an idiosyncratic, offbeat travel book, offering a unique view on the state of the nation at the end of the 1990s.


This is one of the books I recommend to friends who are interested in travel books.
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Bitumen Boy



Joined: 26 Jan 2012
Posts: 1498
Location: Above the snow line in old Monmouthshire

PostPosted: Thu Sep 24, 2020 1:52 am    Post subject: Reply with quote

Penman wrote:
Hi
OK as there are no more takers.
It is the 2 Degrees West line.
Quote:
In 1494 the first prime meridian was drawn through the Azores islands by the crowns of Portugal and Castile under the terms of the Treaty of Tordesillas, as the two kingdoms wrangled over possession of the globe in the aftermath of Christopher Columbus' discovery of America. This artificial division of the earth became a feature of the subsequent trading of territories between rival kingdoms. By 1884, as a result of the British Empire's commercial pre-eminence, the globe's prime meridian was definitively drawn through Greenwich. By 1938 the line two degrees west was chosen as England's prime meridian running as it did through most of the country, from Berwick-Upon-Tweed on the Northumbrian coast to the Isle of Purbeck in Dorset.
Guided by his Ordnance Survey map, Nicholas Crane's book Two Degrees West walks the longitudinal tightrope of this most manmade of geographical lines, stretching nearly 600 kilometres from north to south, never deviating more than a few metres either side of the meridian. The result is a diverse cross-section of England in the late 1990s, from the bleak agrarian world of Northumbria and the Pennines to the racial and urban hybridity of the Black Country. Two Degrees West is an idiosyncratic, offbeat travel book, offering a unique view on the state of the nation at the end of the 1990s.


This is one of the books I recommend to friends who are interested in travel books.


+1, it's a good read.
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peter scott



Joined: 18 Dec 2007
Posts: 6566
Location: Edinburgh

PostPosted: Thu Sep 24, 2020 7:57 am    Post subject: Reply with quote

I think it's a very odd choice. Must have been chosen by an Aberdonian.

Peter
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Peter_L



Joined: 10 Apr 2008
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Location: New Brunswick. Canada.

PostPosted: Thu Sep 24, 2020 1:51 pm    Post subject: Reply with quote

Surely the Prime Meridian is the Prime Meridian of the day, I am certain that if you dig down 2 degrees away from the present Prime Meridian you will not find the real and original one. If a 40mph speed limit is changed to 30mph, then 30mph is the present speed limit. An interesting bit of info supplied by Penman.

Lat-Lon Coordinates cover the Globe.
Go to 46 deg 45 min 15.13 N and 64 deg 58 min 35.91 W and you will be at the bottom of my driveway. Some hotels include Lat-Lon on their website and GPS takes one to that exact point.
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alastairq



Joined: 14 Oct 2016
Posts: 1533
Location: East Yorkshire

PostPosted: Thu Sep 24, 2020 3:44 pm    Post subject: Reply with quote

Let's not get into Great Circles...otherwise we are liable to tie ourselves in knots?
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Peter_L



Joined: 10 Apr 2008
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Location: New Brunswick. Canada.

PostPosted: Thu Sep 24, 2020 5:53 pm    Post subject: Reply with quote

alastairq wrote:
Let's not get into Great Circles...otherwise we are liable to tie ourselves in knots?
Nah !!. just make a note of the coord's when you set off Smile
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Penman



Joined: 23 Nov 2007
Posts: 4330
Location: Lancashire

PostPosted: Thu Sep 24, 2020 6:38 pm    Post subject: Reply with quote

Hi
The reason OS chose that, was mentioned in the first of the bold sections in my quote above.
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