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Posts by John Lawson

Showing 916 results below:

Author Message
Topic: Oxygen detector
John Lawson

Forum: Exploration Chat   Posted: 17/08/2015 19:36:00   Subject: Oxygen detector
Clearly from what has been stated, and from previous, postings there is a demand for an Oxygen meter, which is reasonably reliable and will not force you. Into Bankcupcy!
Certainly my first meter
Topic: Oxygen detector
John Lawson

Forum: Exploration Chat   Posted: 15/08/2015 21:07:35   Subject: Oxygen detector
pwhole,
This dectector, you use, certainly looks the Rolls Royce, but I am not sure if it could easily be calibrated, by amateurs, which we are, by and large.
The instructions, suggest you n
Topic: Proposal to revive Cumbrian coal mining
John Lawson

Forum: North West England   Posted: 07/08/2015 21:00:48   Subject: Proposal to revive Cumbrian coal mining
Just looks like another version of the Minco operation!
When opencast operations are being closed down as not being economic I cannot see anything coming of this, except, a
little more know
Topic: Nenthead on the telly
John Lawson

Forum: North West England   Posted: 07/08/2015 20:56:29   Subject: Nenthead on the telly
Hi Peter,
I was not getting at you!
Basically we can all make mistakes, I have made a lot, but I pointed this out so that, contributors to this site should know the facts, as pointed out by
Topic: Nenthead on the telly
John Lawson

Forum: North West England   Posted: 03/08/2015 19:21:38   Subject: Nenthead on the telly
Hi Tarmole,
The life expectancy figures are from an appendix to the Kinnaird commission's report!
Other details are quoted on pages 304 & 305, in Raistrick & Jennings.
Topic: Nenthead on the telly
John Lawson

Forum: North West England   Posted: 01/08/2015 21:10:35   Subject: Nenthead on the telly
Thanks Chris for drawing our attention to this episode.
It is good to see underground footage on TV, and especially our guest appearance from the Nenthead Mines research Group.
However canno
Topic: Aerial ropeway foundations (photo)
John Lawson

Forum: North West England   Posted: 21/07/2015 19:19:04   Subject: Aerial ropeway foundations (photo)
Whilst we are discussing this topic, I believe that the ariel rope way did not work too well.
It seems to have been prone to freezing up, and by building a small mill opposite, Hagg's entrance, a
Topic: Hope Level Fluorite Mine accessible?
John Lawson

Forum: Exploration Chat   Posted: 20/07/2015 19:31:31   Subject: Hope Level Fluorite Mine accessible?
Hi, my son, did get the facts slightly wrong, the mine was not Whiteheaps, but Stanhopeburn mine.
He had just started work at the mine, as a young miner, and was sent down to fill the tubs, and t
Topic: Latest news on Whitby Potash Poject
John Lawson

Forum: North East England   Posted: 02/07/2015 19:10:59   Subject: Latest news on Whitby Potash Poject
As I previously posted Sirius minerals will have to come up with a lot of cash to make this project viable.
Today's Times quantifies the figure as $2.5 billion.
We will see if they can raise
Topic: Latest news on Whitby Potash Poject
John Lawson

Forum: North East England   Posted: 01/07/2015 20:40:03   Subject: Latest news on Whitby Potash Poject
An underground Zinc mine in Ireland is on the point of closure, so I guess some of these guys could find jobs on the project.
The other big problem from the companies' point of view will to ensur
Topic: Nellie Kirkham's Field Notes
John Lawson

Forum: Midlands   Posted: 23/06/2015 19:16:38   Subject: Nellie Kirkham's Field Notes
I am sure her notes will most usefull, I met her many years ago when I first took up mine exploration.
At that time she was regarded as THE expert on Peak Disrict mining history, but had a habit
Topic: Latest news on Whitby Potash Poject
John Lawson

Forum: North East England   Posted: 19/06/2015 20:36:57   Subject: Latest news on Whitby Potash Poject
Times article today comments that in the opinion of the planners, the possible economic benefits do not justify the probable damage to the National Park.
As has already been stated the planning a
Topic: Exploration at Keldhead's Mine?
John Lawson

Forum: General Chat   Posted: 16/06/2015 19:21:09   Subject: Exploration at Keldhead's Mine?
Thanks for the info Guys.
I must admit I never thought of searching the gardening section of the Telegraph. Must reflect your other interests-RJV!
Reading this, if the landowner is intereste
Topic: Exploration at Keldhead's Mine?
John Lawson

Forum: General Chat   Posted: 15/06/2015 20:50:31   Subject: Exploration at Keldhead's Mine?
I was across at this mine yesterday, in part to look at or for a dig here,which was being carried out some years ago by my late friend Arthur Roberts.
He told me on several occasions, before he p
Topic: Llanberis mountain rescue
John Lawson

Forum: New recruits!   Posted: 11/06/2015 19:30:58   Subject: Llanberis mountain rescue
Even I am surprised that someone would 'have a go at attacking a couple of Landies ' in such a well known area.
I understood that often these thefts involve the whole vehicle which is winched int
Topic: Are you a groupie?
John Lawson

Forum: General Chat   Posted: 09/06/2015 19:26:37   Subject: Are you a groupie?
I also, feel it is best not to draw any attention to what we are doing.
I always cover up any gear in my vehicle with the appropriate cover and try, if possible to look like a 'hill walker' with
Topic: National Library of Scotland maps
John Lawson

Forum: General Chat   Posted: 04/06/2015 19:06:57   Subject: National Library of Scotland maps
Just maybe they have to try and see what the interest in these maps is, before uploading more.
Now Scotland as everyone knows has only 1/12 th of the U.K. population, so by starting in the South
Topic: Harnisha Burn Mine - be careful.
John Lawson

Forum: North East England   Posted: 27/05/2015 19:24:48   Subject: Harnisha Burn Mine - be careful.
Roy it is an unfortunate fact of life, these are old mines, with no maintenance for over 100 years.
Many of these veins have large throws on them which move, put pressure on the arching and it g
Topic: drill string in flat (photo)
John Lawson

Forum: North East England   Posted: 27/05/2015 19:10:23   Subject: drill string in flat (photo)
Presumably this water comes out stopes in the higher strata, anything from the Firestone down.
Once the initial flow subsides, it presumably could be piped down to the horse level, where it is no
Topic: drill string in flat (photo)
John Lawson

Forum: North East England   Posted: 25/05/2015 19:12:53   Subject: drill string in flat (photo)
Not sure which flat this is, but I have speculated that in the area of the Horse Whim flat, Minco intersected the workings, somewhere.
I based this on the fact that the depth of water in the hors
Topic: Groverake survey
John Lawson

Forum: General Chat   Posted: 22/05/2015 20:46:27   Subject: Groverake survey
Having downloaded a hard copy the survey looks an excellent piece of work.

Well done to all concerned.
Has the roof stopped moving yet?
Or is it too dangerous to even have a look
Topic: Site updates - just for info
John Lawson

Forum: Site Updates, Suggestions & Corrections   Posted: 14/05/2015 19:31:17   Subject: Site updates - just for info
Simon,
It sounds, as usual you are doing an excellent job.

Thanks for doing it I know for one, I would not know where to start!
Topic: Leadhills mines
John Lawson

Forum: Scotland   Posted: 05/05/2015 18:59:40   Subject: Leadhills mines
As I understand it, both Estates are against any underground exploration, which is a complete change in attitude from say 12 years ago.
I have been challenged on at least two seperate occasions t
Topic: Minco at Nenthead
John Lawson

Forum: North East England   Posted: 04/05/2015 19:34:49   Subject: Minco at Nenthead
Thanks Minegeo, for concurring with me.
Having looked through many parts, of the Nenthead system underground, I can confirm what Wallace( then employed as area manager, by the L.L.C.), that fluor
Topic: Lead Mines in Weardale
John Lawson

Forum: New recruits!   Posted: 03/05/2015 20:17:07   Subject: Lead Mines in Weardale
Thanks, ebgb, for posting this on the site.
I must admit, I was fully aware of the paper, but had not made the effort, to search it out.
One important fact, pertinent, to our explorations at
Topic: Minco at Nenthead
John Lawson

Forum: North East England   Posted: 02/05/2015 19:29:39   Subject: Minco at Nenthead
Thanks for the link Dave.

I cannot see any large scale Bonanza in them.

I also note that just as the L.L.C. & V.M. found, the ores seem to be largely economic in the G.L. wheras
Topic: Smallcleugh Exploration History
John Lawson

Forum: General Chat   Posted: 29/04/2015 19:16:34   Subject: Smallcleugh Exploration History
As you know Roy I was a member of W.C.M.R.S. for most of of the time it was in existence.

Mr Rothery is not mentioned by name, since clearly, as pointed out by yourself, in the article from
Topic: Smallcleugh Exploration History
John Lawson

Forum: General Chat   Posted: 28/04/2015 20:17:33   Subject: Smallcleugh Exploration History
I thought I would like to bring everyone up to date with this thread.
Having received many contributions to it I would like to thank everyone who helped me with it.
N.M.R.S. will include an
Topic: Latest news on Whitby Potash Poject
John Lawson

Forum: North East England   Posted: 23/04/2015 19:02:46   Subject: Latest news on Whitby Potash Poject
In today's Times dealing n their shares is suspended until the outcome of the planning decision is known.

You wonder how much faith even the owners of this project have if they want to 'fre
Topic: Moor Row iron mine question
John Lawson

Forum: New recruits!   Posted: 20/04/2015 19:38:37   Subject: Moor Row iron mine question
Thanks for the link Simon.

Basically, the roof is very low, and you are crawling, past slabs which hang from the roof and just before you get to the incline which takes you to these delight
Topic: Moor Row iron mine question
John Lawson

Forum: New recruits!   Posted: 20/04/2015 19:21:15   Subject: Moor Row iron mine question
The mine in question is Gutterby.
I am not sure how acess ismarranged now.
The farmer has surrounded the site with deer netting and is keeping free range chickens on the site.
He seemed
Topic: Grove Rake
John Lawson

Forum: North East England   Posted: 09/04/2015 19:16:39   Subject: Grove Rake
Having survived 2 major roof falls in my exploration career , I would seriously urge a great deal of caution here!
When the grinding and groaning has stopped only then can the new situation be sa
Topic: Grove Rake
John Lawson

Forum: North East England   Posted: 08/04/2015 19:20:58   Subject: Grove Rake
Interestingly when I was underground here some 20 years ago, the company were taking spar from hoppers which had filled themselves over the years, presumably by bits of ore falling off the walls.
Topic: Unknown Mine - Great Shunner Fell / Great Sleddale
John Lawson

Forum: North East England   Posted: 08/04/2015 19:13:24   Subject: Unknown Mine - Great Shunner Fell / Great Sleddale
As has already been noted this area has copper mineralisation.
Hence most of the mines in Great Sleddale were dug in search of this metal.
It does not appear that their searches led to anyth
Topic: Looks like thats it for deep mined coal
John Lawson

Forum: New recruits!   Posted: 27/03/2015 20:46:07   Subject: Looks like thats it for deep mined coal
Just adding to what has been stated. In Scotland the Longannet power station is set to close early, probably this year.
The Nationalist government here only want renewables!
So when our nucl
Topic: Life of a lithium ion battery?
John Lawson

Forum: Lamps & Lighting   Posted: 27/03/2015 20:31:08   Subject: Life of a lithium ion battery?
Roy, I think what we are stating is that with careful usuage these Lithium ion powered miner's/caving lamps will last a very long time, probably 10+ years.
There are still issues with larger cell
Topic: Wheal Owles - New Poldark Series
John Lawson

Forum: South West England   Posted: 26/03/2015 19:32:35   Subject: Wheal Owles - New Poldark Series
The iron rungs of ladders would be replaced by copper, in water carrying copper ions.
Once this has happened the rate of rusting will increase dramatically, as the, iron's electrons are passed to
Topic: Life of a lithium ion battery?
John Lawson

Forum: Lamps & Lighting   Posted: 26/03/2015 19:23:19   Subject: Life of a lithium ion battery?
Thanks for the obvious Roy!
The point I was making is that other than small lithium ion cells, these batteries seem to have an extraordinary long life.
I was hoping that either you or Simon
Topic: Life of a lithium ion battery?
John Lawson

Forum: Lamps & Lighting   Posted: 25/03/2015 19:34:05   Subject: Life of a lithium ion battery?
The Lithium ion battery I am referring to was an FX ion battery/lamp made by SPLEO TECHNICS. As far as I can see it seems to still have a good life. The main draw back was its poor connection to the O
Topic: Life of a lithium ion battery?
John Lawson

Forum: Lamps & Lighting   Posted: 24/03/2015 19:34:41   Subject: Life of a lithium ion battery?
I bought my first miners lamp powered by a lithium ion batter some 10 years ago.
I replaced it for normal use because it's contacts were rather poor. Never the less it keeps on working, my questi
Topic: Nenthead Car Park - new neighbours
John Lawson

Forum: North West England   Posted: 14/03/2015 20:58:45   Subject: Nenthead Car Park - new neighbours
Thanks for the information guys.
As you said Nick, hopefully the guy willl succeed and as it is in his interest to keep the buildings in a good state of repair it should be good news.
I just
Topic: Nenthead Car Park - new neighbours
John Lawson

Forum: North West England   Posted: 13/03/2015 20:07:32   Subject: Nenthead Car Park - new neighbours
Peter I am guessing that this might be the market gardener, that Nick, Robert & I met up on site a couple of months ago?
He seemed a nice chap, complained that C.C.C. had not taken either his of
Topic: Tynedale Lead & Zinc Co Area plan 1882
John Lawson

Forum: North West England   Posted: 11/03/2015 19:25:20   Subject: Tynedale Lead & Zinc Co Area plan 1882
Thanks Dickie for up loading this plan.
As I mentioned on a previous thread, this particular version has part of the upper Weardale mining area added onto it.
Other versions, stop at the Co
Topic: 25 inch Barmasters Maps of Derbyshire
John Lawson

Forum: General Chat   Posted: 26/02/2015 19:20:15   Subject: 25 inch Barmasters Maps of Derbyshire
Taking up Dickie's point on the Tynedale Lead & Zinc Mining plan of 1882.
This is an excellent plan, there are a few different sources around.
My first copy came from the late Arthur Roberts
Topic: 25 inch Barmasters Maps of Derbyshire
John Lawson

Forum: General Chat   Posted: 21/02/2015 21:06:11   Subject: 25 inch Barmasters Maps of Derbyshire
Looking at this topic from afar! Well done Dickie for even contemplating reproducing these maps on the site. As has already been related maps have a habit of 'walking' by themselves and becoming 'lost
Topic: Effect of earthquakes on mine workings
John Lawson

Forum: General Chat   Posted: 16/02/2015 19:16:09   Subject: Effect of earthquakes on mine workings
I think the biggest recorded event of an earthquake on mines is that of the Lisbon earthquake. It took place in the middle of the eighteenth century, and its effects were recorded by Derbyshire mine v
Topic: Old Gang - Hard Level - Query for those who know this mine
John Lawson

Forum: North East England   Posted: 13/02/2015 20:20:25   Subject: Old Gang - Hard Level - Query for those who know this mine
I agree with Peter hence my response.
Topic: Old Gang - Hard Level - Query for those who know this mine
John Lawson

Forum: North East England   Posted: 12/02/2015 20:54:28   Subject: Old Gang - Hard Level - Query for those who know this mine
Hard level should only be entered by experienced mine explorers!
There are no sumps accessible between Old Rake vein and the level entrance.
Surface water, it is assumed, pours down into Har
Topic: Ruhrthaler Loco at Rampgill Level entrance (photo)
John Lawson

Forum: North East England   Posted: 12/02/2015 19:35:44   Subject: Ruhrthaler Loco at Rampgill Level entrance (photo)
Peter, I have had another thought about the abandoned locos in the Rampgill Mill in the 1950's.
As we all know, Kingsley, suggested as part of the war effort, the re-working of the Nenthead/Barne
Topic: Ruhrthaler Loco at Rampgill Level entrance (photo)
John Lawson

Forum: North East England   Posted: 11/02/2015 19:17:06   Subject: Ruhrthaler Loco at Rampgill Level entrance (photo)
Peter are you sure about the Nentsberry loco?
As understood it all haulage there used horses, and indeed in the Beamish picture archive there is a photo of a horse pulling a waggon out of the ent
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