My life changed when I saw a list of numerical equivalents to the square letters, e.g.TQ = 51. This makes it so much easier to see a reference on a small...
This might be of interest to UK topo map users. The Canadian one inch series which had its beginnings in the early 20 C was modelled on and in part directed...
At this event last weekend there were a couple of mysteries that I promised to investigate. The first concerned a compas alidade produced at the event with a ...
Hello, I have obtained what I am told is an original of an OS 1:2500 Warwickshire Sheet VIII.16 published 1889 (surveyed 1886, re- zincographed & printed in...
Can anyone tell me a bit about the Cassini system? Seeing that the theoretical origin for early 1" maps of Scotland was near Inverness, I'll be visiting it in...
I hope this isn't considered spam, but I have a large collection of OS maps (a catalogue in Excel format is available) that I am looking to sell. I have been...
Which would be the best records office or library to visit to view the most complete collection of large scale maps of the Caernarvon to Rhyd Ddu area from the...
Revealed : secret locations we knew about anyway. Story in today's Guardian about the OS now starting to show previously-censored sites such as Burghfield...
Dear all A reader (who is doing an 'A' level project) has asked our advice on the best way to measure stream/river length on 1:10,560 or 1:10,000 scale maps. ...
Has there been any mention of these products on this List? If so, I seem to have missed it. I have just acquired a couple of sheets and had a look at their...
On the 1997 edition (A3) of Landranger 160 ('Brecon Beacons/Bannau Brycheiniog') at SN 750440 appears the name of a small watercourse 'Nant y Rhaeadr' written...
[The usual apologies for cross-posting:] It may be recalled that I drew attention last autumn to two 1:100,000 maps of Cornwall and (most of) Devon published...
Hello, Just came across this email group by chance and having an interest in Ordnance Survey maps, thought I'd join. I have a small collection of maps, in...
I am looking at the photograph on the front cover of edition A2 of OS Explorer OL24 'The Peak District: White Peak Area' and wondering exactly where the view...
I bought the recent republication of Explorer 272 (Lincoln: edition A1) today, and find that the northern half of this double-sider is 'misprinted', in that...
The Times today has an obituary for Major-General Brian Irwin, Director General of Ordnance Survey from 1969-1977. His work guided the course of OS's digital...
Does anyone have a database or file of the different extents of the OS 1:50,000 sheets? Bottom-left, top-right corner grid references would be ideal, and some...
Although by no means an authority on Bench Marks (and with virtually no knowledge of surveying), I will attempt to give a little information to John Nicholls,...
Niall, The annotation "Face of Wall" on OSGB maps is a mereing for an administrative boundary, (parish, borough etc). I assume that the two Irish OS's use the...
These have been updated and may be found at http://www.watsonlv.addr.com/os-maps.htm . The flood of 1:25,000 'Active' maps has now almost abated, so we can ...
... they please email him at niall.tower@... ... The Townland boundary marks around this (see Files on ordnancemaps) Martello Tower define its take, but I...
Hello I have just been browsing the National Archives Catalogue and have come across the document classes WO 401: (example of description for one file is: WO...
Hello, I would be very grateful if someone could please enlighten me as to how the contours on the OS 1:25000 Provisional Series (AKA 1st Series) sheets were...
Just been reading "Long Life" by Nigel Nicolson - one time publisher, and son of Harold and Vita of Sissinghurst in Kent. On page 225 I was intrigued to read...
From my long gone mapping days; one tree= a tree, two trees = a copse, three trees = a wood. But of course that was in the days when the OS was RE run and a...
For another, and much earlier, example of a similar planted feature, see Sheetlines 57 page 46 (April 2000) Richard Dean From: Cartographics, 49 Grange Road,...
