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Posts by Peter Burgess

Showing 1916 results below:

Author Message
Topic: Cae Coch Sulphur Mine
Peter Burgess

Forum: North Wales   Posted: 20/03/2009 08:39:27   Subject: Cae Coch Sulphur Mine
Do I have to stop enjoying myself when looking around old mines then? That's going to be difficult. :(
Topic: Wealden iron
Peter Burgess

Forum: South East England   Posted: 19/03/2009 22:18:34   Subject: Wealden iron
OK, not quite the story as I thought, but

Here it is:

[url]http://news.bbc.co.uk/1/hi/sci/tech/7899831.stm[/url]

"Replicas were recreated in a modern foundry, and test
Topic: Wealden iron
Peter Burgess

Forum: South East England   Posted: 19/03/2009 22:11:39   Subject: Wealden iron
I noticed a recent BBC news story of an Elizabethan gun that had been recently cast and tested (i.e. a replica of one dredged off the sea bed), which was supposed to be revolutionary in its day. The b
Topic: Wealden iron
Peter Burgess

Forum: South East England   Posted: 19/03/2009 19:22:59   Subject: Wealden iron
Straker says that in France boring of cannons was introduced by Maritz, a Swiss, in 1713. But it was probably done "much earlier" in Sussex. The term "boring-place" appears in a 1677 deed for Ashburnh
Topic: Wealden iron
Peter Burgess

Forum: South East England   Posted: 19/03/2009 19:01:42   Subject: Wealden iron
Straker was the first to publish a detailed account of the industry, in 1931. More recently, Cleere and Crossley have also written a good account. However, I only have Straker to refer to, so here are
Topic: Cae Coch Sulphur Mine
Peter Burgess

Forum: North Wales   Posted: 19/03/2009 18:24:29   Subject: Cae Coch Sulphur Mine
If they contact me I might sell a set of four Firestones for £50 each. Probably won't be much good on your average family car though....
Topic: Wealden iron
Peter Burgess

Forum: South East England   Posted: 19/03/2009 18:21:55   Subject: Wealden iron
The realm of Tudor England was what was at stake. I don't think they gave a toss for Scotland back then. And I'm not sure they gave too much attention to the plight of the Welsh either. Later furnace
Topic: Nearby sites error
Peter Burgess

Forum: Site Updates, Suggestions & Corrections   Posted: 19/03/2009 15:39:31   Subject: Nearby sites error
I can't fix it, but here is my guess of how it goes wrong.

The algorithm is based on a simple bit of trig. But it has to be fed the correct values to work properly.

I think the N
Topic: Nearby sites error
Peter Burgess

Forum: Site Updates, Suggestions & Corrections   Posted: 19/03/2009 14:58:07   Subject: Nearby sites error
I think I have spotted the cause of the problem. The NGR of the sites in West Sussex that I have looked at recently have an NGR that starts with a zero, such as 041nnn. The sites that are identified a
Topic: Wealden iron
Peter Burgess

Forum: South East England   Posted: 19/03/2009 14:31:53   Subject: Wealden iron
I have now added to the database a full set of 'modern' iron furnaces for the counties of Surrey, Kent, West and East Sussex. The information has been taken from the Wealden Iron Research Group's onli
Topic: Cae Coch Sulphur Mine
Peter Burgess

Forum: North Wales   Posted: 19/03/2009 13:55:24   Subject: Cae Coch Sulphur Mine
About as much chance of buying sulphur from Cae Coch as getting a set of tyres from the Surrey Firestone quarries.
Topic: Nearby sites error
Peter Burgess

Forum: Site Updates, Suggestions & Corrections   Posted: 17/03/2009 20:29:16   Subject: Nearby sites error
This problem has occurred again. I was going to start looking for local iron workings to each Wealden furnace site, but the first one I chose - Burningfold Furnace in the far west of Surrey - seems to
Topic: Mismatching NGR and location pin
Peter Burgess

Forum: Site Updates, Suggestions & Corrections   Posted: 16/03/2009 15:28:04   Subject: Mismatching NGR and location pin
BTW, can we put 8-fig refs into "add a mine"? I've not tried.
Topic: Mismatching NGR and location pin
Peter Burgess

Forum: Site Updates, Suggestions & Corrections   Posted: 16/03/2009 15:26:29   Subject: Mismatching NGR and location pin
If I'm using a 1:25000 to gauge an NGR by eye, I tend to give an 8-fig ref, ending in 0 or 5, which is the best one can hope for when judging this way, and this also reduces the area of enclosure to 2
Topic: Mismatching NGR and location pin
Peter Burgess

Forum: Site Updates, Suggestions & Corrections   Posted: 16/03/2009 14:51:35   Subject: Mismatching NGR and location pin
As a pin on a map can only be at a given location rather than anywhere in a given square, where would you put the pin?
At the centre of the square or in the SW corner of the square?
Topic: Mismatching NGR and location pin
Peter Burgess

Forum: Site Updates, Suggestions & Corrections   Posted: 16/03/2009 14:19:46   Subject: Mismatching NGR and location pin
[quote="Morlock"].... BTW, it's 141 metres diagonally across the square.[/quote]

So it is. Oops.

Although there may be an approved method, if reading a map by eye alone (which is
Topic: Mismatching NGR and location pin
Peter Burgess

Forum: Site Updates, Suggestions & Corrections   Posted: 16/03/2009 13:51:33   Subject: Mismatching NGR and location pin
So tell us where the "satellite" view puts the location pin relative to the NGR entered?
Topic: Mismatching NGR and location pin
Peter Burgess

Forum: Site Updates, Suggestions & Corrections   Posted: 16/03/2009 13:45:02   Subject: Mismatching NGR and location pin
JRat would have known. :(
Topic: Mismatching NGR and location pin
Peter Burgess

Forum: Site Updates, Suggestions & Corrections   Posted: 16/03/2009 13:25:40   Subject: Mismatching NGR and location pin
I can't read the top line - does it say ".... accurate to 100m" ?

Which is less accurate than choosing the CLOSEST point to the feature in question, which could be in any quadrant. If the p
Topic: Mismatching NGR and location pin
Peter Burgess

Forum: Site Updates, Suggestions & Corrections   Posted: 16/03/2009 13:05:29   Subject: Mismatching NGR and location pin
The red spot is where I judge the NGR I used to be. This is a very recent 1:25000 map. Click on the map to get a larger image so you can judge for yourself.

[link]Personal-Album-1561-Image-
Topic: Mismatching NGR and location pin
Peter Burgess

Forum: Site Updates, Suggestions & Corrections   Posted: 16/03/2009 12:45:39   Subject: Mismatching NGR and location pin
A grid ref is a reference to a point - the SW corner of the square you refer to. If software chooses to place the pin at, say, the centre of that square, then it is surely at another grid ref, and not
Topic: Mismatching NGR and location pin
Peter Burgess

Forum: Site Updates, Suggestions & Corrections   Posted: 16/03/2009 09:05:30   Subject: Mismatching NGR and location pin
Yes these are all interesting replies and make sense. As most of the sites I am plotting at the moment are areas of woodland containing minepits, they do not need to be too precise and moving the NGR
Topic: Mismatching NGR and location pin
Peter Burgess

Forum: Site Updates, Suggestions & Corrections   Posted: 15/03/2009 22:08:07   Subject: Mismatching NGR and location pin
6 figures (that's what "Add a mine" asks for).

Here is an example:

TQ196302

[url]http://www.aditnow.co.uk/mines/Highland-Copse-Minepits-Iron-Mine/[/url]

Thi
Topic: Mismatching NGR and location pin
Peter Burgess

Forum: Site Updates, Suggestions & Corrections   Posted: 15/03/2009 21:57:17   Subject: Mismatching NGR and location pin
Sorry, that doesn't explain it at all. It's not the precise mine location that doesn't match the pin, it's the entered NGR that fails to register correctly.
Topic: Mismatching NGR and location pin
Peter Burgess

Forum: Site Updates, Suggestions & Corrections   Posted: 15/03/2009 21:25:24   Subject: Mismatching NGR and location pin
This may have been discussed before?

I have noticed that having carefully read an NGR off a map, and having then entered the location of a mine (or a wood containing minepits) into the data
Topic: Cornish-design engine house remains
Peter Burgess

Forum: Mining Heritage   Posted: 11/03/2009 14:47:57   Subject: Cornish-design engine house remains
Only mine sites? Are you bothering with waterworks?
Topic: R.M. Ballantyne - “Deep Down, a Tale of the Cornish Mines”
Peter Burgess

Forum: South West England   Posted: 10/03/2009 10:35:25   Subject: R.M. Ballantyne - “Deep Down, a Tale of the Cornish Mines”
Sadly, I bought most of the books I treasure back in the days when I didn't have other priorities for the money I earned. I have to be much more selective these days, or suggest them as Christmas pres
Topic: R.M. Ballantyne - “Deep Down, a Tale of the Cornish Mines”
Peter Burgess

Forum: South West England   Posted: 09/03/2009 22:56:18   Subject: R.M. Ballantyne - “Deep Down, a Tale of the Cornish Mines”
[quote="rhychydwr1"]Well this is going to knock the bottom out of the secondhand book business. I have seen this book on fleabay for as much as £18.00. It can also be found in car boot or charity fr
Topic: Furnaces
Peter Burgess

Forum: General Chat   Posted: 07/03/2009 23:34:08   Subject: Furnaces
There's loads of "Minepit" place-names! I'm going to be at this for months! :(

I have noticed a proximity of minepits to furnace sites, without deliberately looking for them. :thumbup:
Topic: Furnaces
Peter Burgess

Forum: General Chat   Posted: 07/03/2009 19:29:27   Subject: Furnaces
I've done Surrey, East and West Sussex, and will soon be finished with Kent and Hampshire. The WIRG website has almost nothing on minepits which is disappointing. It would have been good to add the ar
Topic: Furnaces
Peter Burgess

Forum: General Chat   Posted: 05/03/2009 22:31:16   Subject: Furnaces
Well, I've made a start on West Sussex iron furnace sites. The Wealden Iron Research Group database has extensive details so all I am doing is setting up the locations with brief details, and posting
Topic: Furnaces
Peter Burgess

Forum: General Chat   Posted: 05/03/2009 18:25:09   Subject: Furnaces
This is a database set up and maintained by mine explorers and as such will have things in it that interest mine explorers, which appears, quite rightly, to include furnaces, tramways, and so on. But
Topic: Rubbish crusher - 1974 (photo)
Peter Burgess

Forum: North Wales   Posted: 05/03/2009 16:12:43   Subject: Rubbish crusher - 1974 (photo)
[quote="Peter Burgess"]I did wonder! Why would a "refuse destructor" appear on a mine-related website? All becomes clear now!
[/quote]

If I had bothered to check the context of the ima
Topic: Rubbish crusher - 1974 (photo)
Peter Burgess

Forum: North Wales   Posted: 05/03/2009 15:15:46   Subject: Rubbish crusher - 1974 (photo)
I did wonder! Why would a "refuse destructor" appear on a mine-related website? All becomes clear now!
Topic: Furnaces
Peter Burgess

Forum: General Chat   Posted: 05/03/2009 15:03:00   Subject: Furnaces
A wealden furnace did not serve one specific mine as there was no concept of this. The miners would dig a hole for the ore, fill it up, dig another one etc. There was no "xyz Iron Mine" in the ninetee
Topic: Furnaces
Peter Burgess

Forum: General Chat   Posted: 05/03/2009 14:03:27   Subject: Furnaces
The more I think about it, the more I reckon Wealden furnaces should be added. The reason being that the mines themselves were not the focus of iron-working at the time - these were many shallow pits
Topic: Furnaces
Peter Burgess

Forum: General Chat   Posted: 05/03/2009 13:40:15   Subject: Furnaces
I think within the last 12 months there was some talk about this site being mine-related in the broadest sense, therefore including railways, smelters, mine-related canals etc.
Topic: Furnaces
Peter Burgess

Forum: General Chat   Posted: 05/03/2009 12:20:12   Subject: Furnaces
It's OK with me. Are we running out of mines to enter? I could trawl Straker for Wealden iron furnace and forge sites - the ore was often extracted in the immediate vicinity, so there is quite a close
Topic: Chislehurst Chalk Mine
Peter Burgess

Forum: South East England   Posted: 05/03/2009 09:55:47   Subject: Chislehurst Chalk Mine
I too have taken people into Surrey mines for many years. We tell them the history and archaeology, which might sound dead boring, but only last night I was running such a trip with some people who we
Topic: Chislehurst Chalk Mine
Peter Burgess

Forum: South East England   Posted: 05/03/2009 09:15:50   Subject: Chislehurst Chalk Mine
Hi Pete.

Amongst my friends, Chislehurst cave is famous for two things. Its use in the war as a shelter, and for the stories told to tourists. Like it or not, the stories are now 'part' of
Topic: Tunnel breakthrough
Peter Burgess

Forum: General Chat   Posted: 26/02/2009 19:32:00   Subject: Tunnel breakthrough
Surrey will then have not only the oldest road tunnel but the longest as well.

This final link in the dualling of the A3 London-Portsmouth road was a big story round here a year or two bac
Topic: Thrislington Colliery
Peter Burgess

Forum: North East England   Posted: 23/02/2009 23:15:54   Subject: Thrislington Colliery
[url]http://www.youtube.com/watch?v=Zhgzy3YU5yI&[/url]

Another NCB training film, full of action and detail.
Topic: The Lambton Worm
Peter Burgess

Forum: North East England   Posted: 23/02/2009 22:33:46   Subject: The Lambton Worm
[url]http://www.youtube.com/watch?v=Q6mOS7bC9Ic&[/url]

Was this a one-off?
Topic: Power of Beam Engines
Peter Burgess

Forum: General Chat   Posted: 20/02/2009 15:16:54   Subject: Power of Beam Engines
If mining engineers of the 20th century ended up disputing simple mechanical principles like you lot, it's no wonder they all went over to electric pumps. :lol: ;)
Topic: Betchworth Lime-Works railways
Peter Burgess

Forum: South East England   Posted: 20/02/2009 13:02:42   Subject: Betchworth Lime-Works railways
[url]http://www.historycooperative.org/journals/sia/30.2/travis.html[/url]

Some while ago I found this fascinating account of a lime-works in terminal decline. The description is so vivid,
Topic: dog portraits
Peter Burgess

Forum: General Chat   Posted: 20/02/2009 11:37:24   Subject: dog portraits
That's one clever dog.

What medium does this dog work in? Watercolour? Pencil? Oils?
Topic: Dawdon Colliery, Co. Durham
Peter Burgess

Forum: Mine Tramways and Railways   Posted: 19/02/2009 22:45:49   Subject: Dawdon Colliery, Co. Durham
Short but excellent old film clip.

[url]http://www.youtube.com/watch?v=lR2p7eTzA10&[/url]
Topic: NCB Film Unit production from 1975
Peter Burgess

Forum: Mining Methods & Techniques   Posted: 19/02/2009 22:42:23   Subject: NCB Film Unit production from 1975
Some great informative footage from the 1970s.

[url]http://www.youtube.com/watch?v=HqaGCUioh-4&[/url]

[url]http://www.youtube.com/watch?v=unU_c7hZawU&[/url]

[url]http:
Topic: Power of Beam Engines
Peter Burgess

Forum: General Chat   Posted: 19/02/2009 21:44:13   Subject: Power of Beam Engines
[url]http://www.youtube.com/watch?v=Pe4BOWG8-gQ[/url]


;D
Topic: Power of Beam Engines
Peter Burgess

Forum: General Chat   Posted: 19/02/2009 20:55:23   Subject: Power of Beam Engines
That's very roughly the laden weight (give or take a bag or two) of an Airbus A380, is it not ICLOK ?
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