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Re: OS Six-Inch Ireland 1st edition maps (1820s-1840s)

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Ian Goddard

Sep 22, 2023, 9:00:10 AM9/22/23
JMB99 wrote:
> OS Six-Inch Ireland 1st edition maps (1820s-1840s)
> We have added online 1,970 maps forming the Ordnance Survey of Ireland's
> Six-Inch 1st edition series (surveyed 1829-1842). This is the earliest
> comprehensive mapping of Ireland, showing good landscape detail.
> Ordnance Survey began work in Ireland in 1824, working initially on
> creating an accurate triangulation network. The surveying and
> publication of map sheets generally proceeded from north to south.
> Ordnance Survey mapped Ireland at the Six-Inch scale before Scotland,
> England and Wales, and the maps show emerging practices for this series
> in terms of features, placenames, heights, and engraving techniques.

A very long time ago I discovered we had some of these in a drawer in
our Botany Dept. lab in QUB. Further investigation showed they'd
belonged to the archaeologist Oliver Davies and had a lot of his field
annotations on them. I often wonder what happened to them. They'd have
been worth scanning in their own right.

I'm cross-posting to SGIreland as there may well be interest there.

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