OS One Inch 7th Series map coverage
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- Steven
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OS One Inch 7th Series map coverage
Currently SABRE Maps has on it a single OS One Inch Seventh Series layer - of which a number of maps are of an unknown date. The One Inch Seventh Series ran from the 1950s through to the mid-1970s, so covers what might be thought of as "the golden era of road building" at a detailed scale.
Similar to that done in 2017 for the OS Quarter Inch Fifth Series, in 2018 work is going to be done on increasing the One Inch coverage, with the eventual aim of having every revision of every sheet (that's out-of-copyright) available for people to view and use.
What can I do to help?
Simple really - we need people to volunteer to scan any maps in their collection for us to use!
Scanning maps is pretty easy - best results can be obtained if you have access to A3 (or larger) scanners. Many workplaces have large format printers these days with A3 scanning facilities, and they are often happy with people using those scanners as (unlike printing), it's a zero cost item. Having said that, domestic A4 scanners work equally well - it's just that you need more scans to cover the map!
It's important to have a reasonable size of overlap between the scans - this allows us to stitch the maps back together into a whole. We also need all the margin information too as that's need to both confirm the date of the map, and also to georeference the map so as SABRE Maps knows where the map actually is of.
How do I know which maps you need?
Well, there's a page on the Roaders' Digest: The SABRE Wiki to help with that. It's at SABRE Maps/Seventh Series coverage project, and it contains all the information you need - including how to exactly date the map using the revision code; and there's a large table that tells you which map revisions we know that we have on SABRE Maps already (as well as which ones we're fairly sure we have...)
Please volunteer to help - we can't do this without SABRE members (and anyone else interested) pulling together and helping with this. In return, we will have so much more good quality mapping information regarding the changes in the road network over time.
All offers of help, questions and other thoughts below welcome!
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From the SABRE Wiki: SABRE Maps/Seventh Series coverage project :
This SABRE Maps Coverage Project is to provide online coverage of the One Inch Seventh Series and associated maps.
This was the first Ordnance Survey mapping at the One Inch scale to be a single series across the whole of Great Britain, and is useful for us to have as it shows mapping at a relatively detailed scale during the major
- FosseWay
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Re: New project for 2018 - OS One Inch 7th Series map coverage
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Re: New project for 2018 - OS One Inch 7th Series map coverage
Re: New project for 2018 - OS One Inch 7th Series map coverage
- ForestChav
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Re: New project for 2018 - OS One Inch 7th Series map coverage
Domestic all in one inkjets are quite easy to get with A3 scan beds though you have to be careful. Some of the cheaper ones will make you do two passes and interpolate, which is a bit silly as you might as well just scan A4 and do it yourself
We have one of these, which actually has a true A3 bed https://www.ebuyer.com/655685-hp-office ... g1x85a-a80
Sadly I don't have any maps...
Never argue with an idiot. They will bring you down to their level and beat you with experience.
- Steven
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Re: New project for 2018 - OS One Inch 7th Series map coverage
Ideally, the scans need to arrive as reasonably decent resolution JPG files - 400dpi or greater is ideal, though massively high resolution isn't necessary. Basically, a colour photocopier/large format printer set to "medium" is usually fine.rhyds wrote:As an aside colour photocopiers are very good for this kind of work. It might be an idea however for the Maps team to suggest what format the images need to be in as most photocopiers scan to PDF as default which I guess is not too useful.
I have had success with files that arrive as PDF files - as FC says it's possible to convert that back to JPG, though obviously if we can avoid that extra step that would be better!
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Re: New project for 2018 - OS One Inch 7th Series map coverage
FosseWay wrote:I will take a look and establish which I can theoretically provide. Actually scanning them will take a while I suspect, on my A4 scanner.
Thank you very much for volunteering help - it's really appreciated! As I mentioned, A4 scanners do work fine, it's just that you need more physical scans.Nwallace wrote:I've also got a fair few and have offered STeven my list (although I've just gone on an eBay binge so...), only an A4 scanner, can't scan at work but happy to lend them for scanning purposes.
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Re: New project for 2018 - OS One Inch 7th Series map coverage
It also coincidentally charts the somewhat drastic surgery the good Doctor, prescribed for the British rail network . I find the NPE very useful in matching up where I've found a "Station Road" with no Station ;Steven wrote:What is this?
Currently SABRE Maps has on it a single OS One Inch Seventh Series layer - of which a number of maps are of an unknown date. The One Inch Seventh Series ran from the 1950s through to the mid-1970s, so covers what might be thought of as "the golden era of road building" at a detailed scale.
- Steven
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Re: New project for 2018 - OS One Inch 7th Series map coverage
Oddly enough, the rail network is exactly what I've been using the help date the extant maps where we are missing that detail - looking for differences in stations mostly. The Quarter Inch maps we have already over this period show the Beeching closures quite well too, but obviously at a less detailed scale.afarlie wrote:It also coincidentally charts the somewhat drastic surgery the good Doctor, prescribed for the British rail network . I find the NPE very useful in matching up where I've found a "Station Road" with no Station ;Steven wrote:What is this?
Currently SABRE Maps has on it a single OS One Inch Seventh Series layer - of which a number of maps are of an unknown date. The One Inch Seventh Series ran from the 1950s through to the mid-1970s, so covers what might be thought of as "the golden era of road building" at a detailed scale.
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Re: New project for 2018 - OS One Inch 7th Series map coverage
They are:
1958 One Inch - contains Sheet 131 (Birmingham) Revision A/
1963 One Inch - contains Sheet 60 (Glasgow) Revision A// and Sheet 131 (Birmingham) Revision B/*
1967 One Inch - contains Sheet 131 (Birmingham) Revision C
The three Birmingham sheets have been deliberately chosen to give a flavour of the changing nature of the road network in an urban area in the 1950s and 1960s, whilst the Glasgow sheet does similarly elsewhere.
You'll also notice there are other sheets on those layers. Those sheets are where the original full-GB mapping sheets have been identified as being from the year in question and we have the full source available, so whilst they aren't new, they're in the right historical context for future additions.
Don't forget you can use the "Create overlay" feature to fade in modern mapping, and also the "Find a road" functionality to put a trace of the modern route on top of the historic mapping.
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Re: New project for 2018 - OS One Inch 7th Series map coverage
1962 One Inch - contains Sheet 170 (London SW) Revision A///*
1964 One Inch - contains Sheet 184 (Plymouth) Revision A/*
The first shows some interesting bits and pieces of roadbuilding in the area such as the Staines Bypass and the beginnings of the M4, whilst the latter has the then-brand new Tamar Bridge open on it.
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Re: New project for 2018 - OS One Inch 7th Series map coverage
1961 One Inch - contains Sheet 101 (Manchester) Revision B
Featuring the first One Inch appearance of the original M62.
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From the SABRE Wiki: M62 %28Stretford - Eccles bypass%29 :
The original use of the M62 number was for the Stretford-Eccles Bypass in Lancashire to the west of Manchester. It was renumbered to M63 in 1968, before being renumbered again to M60 in 1999.
It is located between the modern junction 7 and 13 of the M60.
There is an amount of confusion as to whether the junctions on the M62 were ever numbered. A number of maps by various providers (such as Ordnance Survey, an example of which is shown to the left) showed
- Steven
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Re: New project for 2018 - OS One Inch 7th Series map coverage
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Re: New project for 2018 - OS One Inch 7th Series map coverage
So, if you enjoy playing "spot the difference", take a look at the two scans of that sheet, and see if they are the same, or different! You can find it in the A9 corridor.
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Re: New project for 2018 - OS One Inch 7th Series map coverage
My mission is to travel every road and visit every town, village and hamlet in the British Isles.
I don't like thinking about how badly I am doing.
Re: New project for 2018 - OS One Inch 7th Series map coverage
thanks Steven - I've had a quick look and they look very similar to me.... I've found no differences so far. That said, there is something interesting happening with the railway in the north west corner... is it double tracked or about to split or something? Then, looking at sheets 29 and 38, the railway continues as a solid black line in a single direction, so these two maps are perhaps later...Steven wrote:After a few days' break - the 1957 layer is now live. On it is a new scan of Sheet 37 (Kingussie) Revision A, but that's one of the ones where we're not sure of the exact revision of that map on the full One Inch Seventh Series layer.
So, if you enjoy playing "spot the difference", take a look at the two scans of that sheet, and see if they are the same, or different! You can find it in the A9 corridor.
Have you browsed SABRE Maps recently? Get involved! - see our guide to scanning and stitching maps
Re: New project for 2018 - OS One Inch 7th Series map coverage
My mission is to travel every road and visit every town, village and hamlet in the British Isles.
I don't like thinking about how badly I am doing.
Re: New project for 2018 - OS One Inch 7th Series map coverage
It does, you're right. I think then that it confirms that the existing 37 is same as the A revision and not A/ (which presumably would have a single black line for the railway, being after the 29 revisionrileyrob wrote:If you look at the MOT map, it shows that the split between the two lines either side of the Spey happens at Boat of Garten Station. I think that, more accurately, the two separate lines both ran in to BoG, probably without meeting. Thus, on the 1957 sheet the two tracks are still shown as running side by side, but by the later editions a connection has been installed at the actual split, creating dual track back to the station (or just lazy mapping).
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Re: New project for 2018 - OS One Inch 7th Series map coverage
Thank you both for looking - I couldn't find a difference either, so the help is appreciated.c2R wrote:It does, you're right. I think then that it confirms that the existing 37 is same as the A revision and not A/ (which presumably would have a single black line for the railway, being after the 29 revisionrileyrob wrote:If you look at the MOT map, it shows that the split between the two lines either side of the Spey happens at Boat of Garten Station. I think that, more accurately, the two separate lines both ran in to BoG, probably without meeting. Thus, on the 1957 sheet the two tracks are still shown as running side by side, but by the later editions a connection has been installed at the actual split, creating dual track back to the station (or just lazy mapping).
As a reward , whilst it's not a new revision, there's a new higher resolution scan of Sheet 13 (Loch Inver and Loch Assynt) Revision A/ on the 1962 layer for your enjoyment.
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Re: New project for 2018 - OS One Inch 7th Series map coverage
It also shows the dangers of looking at scanned maps quickly - I got all excited about a possibly unidentified short B road popping up on the map, but then realised it was a yellow road overlying brown contours to make it look orange. To prove me completely wrong, the B869, a genuine B road, is brown, as was correct on OS One Inch maps at the time
My mission is to travel every road and visit every town, village and hamlet in the British Isles.
I don't like thinking about how badly I am doing.