[OSM-talk-ie] Old Map

Rory McCann rory at technomancy.org
Tue Mar 29 10:18:19 BST 2011


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Hi all,

I've been doing some research and discovered that in the mid and late
19th century, the ordnance survey did a complete map of Ireland, firstly
at 6 inch to the mile (1:105000) and then at 25 inch to the mile
(1:2500). You can see these historic maps on
http://maps.osi.ie/publicviewer/ It's very cool

Since these maps are more than 100 years old, they are no longer under
copyright, so in theory if we had them, we could add details from them
into Open Street Map.

Although a map from 1835 might not seem very useful for us, it would
allow us to add in all the Townland borders into OSM. Who knows what
else we could add, fairy forts? little boreens in the middle of
no-where, etc.

However the problem is getting hold of them. The OSi sells some copies
for a fortune, and since they've rectified them, they are copyright
2000something. Various national and university libraries have copies,
but I'm not a student. The national library might be able to help, etc.

One company has a scanned copy (http://pasthomes.com/) that they got
from trinity, but they rectified them and are asserting copyright.

If anyone has any ideas, or can get a scan/photocopy of these maps, it
would be cool.

I'll keep ye posted if i get my hands on some.

Rory

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