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Posts by pwhole

Showing 437 results below:

Author Message
Topic: Roman/Ancient Mines! Request for sites
pwhole

Forum: Mining Heritage   Posted: 26/11/2020 10:57:50   Subject: Roman/Ancient Mines! Request for sites
What baffles me is that in some mines in Spain the Romans had installed vertical-lift systems of interlinked water-wheels powered by slaves the drain their mines upwards, and yet in Derbyshire it seem
Topic: Youtube Mining Videos
pwhole

Forum: General Chat   Posted: 24/11/2020 20:37:00   Subject: Youtube Mining Videos
Hahah - let's hope the parody videos end up making more money than EWF's do. Then it could all go to charridy, which would hopefully **** them off even more ;)
Topic: Youtube Mining Videos
pwhole

Forum: General Chat   Posted: 23/11/2020 23:12:45   Subject: Youtube Mining Videos
I think that's the crucial point here - the monetisation aspect. Until recently I've assumed (with little evidence) that most people with an interest in mining history and the need to make a living al
Topic: 'Slants'
pwhole

Forum: Mining Heritage   Posted: 23/11/2020 22:34:32   Subject: 'Slants'
The Ray Battye one? I think that's it - I've seen a copy in the library, but as you point out it doesn't really cover this area, which is a shame. I had a few hours spare today so had a walk over from
Topic: 'Slants'
pwhole

Forum: Mining Heritage   Posted: 23/11/2020 12:03:14   Subject: 'Slants'
Thanks for the contributions. I've never seen it used in my area before, though I may just not have looked at enough maps yet! It seems these workings were connected (or related) to the stuff higher u
Topic: 'Slants'
pwhole

Forum: Mining Heritage   Posted: 21/11/2020 00:03:23   Subject: 'Slants'
I found a Google Earth image that shows them quite well:

[link]121722[linkphoto]121722[/linkphoto][/link]
Topic: 'Slants'
pwhole

Forum: Mining Heritage   Posted: 20/11/2020 23:46:48   Subject: 'Slants'
[quote="AR"]Are the beds rising or dipping at that location Phil? That would make sense of the name for a level following the ganister seam up or down-dip.[/quote]

There's very little expo
Topic: 'Slants'
pwhole

Forum: Mining Heritage   Posted: 20/11/2020 18:48:33   Subject: 'Slants'
There's an old ganister mine in Sheffield that I pass on one of my regular walks, and when I checked it out on an old OS map (1922 Derbyshire - it wasn't there long!) I saw the workings referred to as
Topic: Vent shaft stacks
pwhole

Forum: General Chat   Posted: 11/11/2020 12:23:11   Subject: Vent shaft stacks
I also don't think it's lazy to ask for information - all I do is ask people stuff - I've probably had far more useful info from people than from books or the internet. So if I can return the favour,
Topic: Ventilation in mines and caves
pwhole

Forum: General Chat   Posted: 10/11/2020 12:10:39   Subject: Ventilation in mines and caves
Another interesting feature was found in Longcliffe Mine, which were the clay remains of a draught door, comprising two uprights stuck to the wall with clay and a lintel sat in two sockets. This was i
Topic: Ventilation in mines and caves
pwhole

Forum: General Chat   Posted: 10/11/2020 11:41:26   Subject: Ventilation in mines and caves
Where workings were in closely-spaced parallel or sub-parallel veins or pipes, ventilation could be drastically improved by the simple expedient of opening 'thurls', or small windows between the worki
Topic: Jim Rieuwerts
pwhole

Forum: Midlands   Posted: 06/11/2020 10:41:44   Subject: Jim Rieuwerts
I've just been sent this marvellous photo of the Dynamic Duo by Trevor Ford's daughter, Jan. Epic :)

[link]121618[linkphoto]121618[/linkphoto][/link]
Topic: Jim Rieuwerts
pwhole

Forum: Midlands   Posted: 05/11/2020 21:02:10   Subject: Jim Rieuwerts
historytrog - I spoke with him two weeks ago and he seemed fine then, but last week was not so good, and Ann said he couldn't come to the phone as he was too ill, which has never happened. She sounded
Topic: Jim Rieuwerts
pwhole

Forum: Midlands   Posted: 05/11/2020 18:19:36   Subject: Jim Rieuwerts
I'm gutted - he'd practically become my uncle over the last ten years or so as we'd talked so much about mines and caves, and it was a real privilege to actually work with him and produce two books to
Topic: Special Reports on the Mineral Resources of Great Britain
pwhole

Forum: General Chat   Posted: 05/11/2020 11:20:15   Subject: Special Reports on the Mineral Resources of Great Britain
Thanks for that - I have the Durham/Derbyshire volume already (somewhere!) but it was a great refresher to read it again after all this time - and having now visited many of the sites discussed for my
Topic: Bell pits a plenty opening up
pwhole

Forum: North East England   Posted: 30/10/2020 12:57:44   Subject: Bell pits a plenty opening up
I thought bell pits were normally totally backfilled with the spoil dug from a new, adjacent one? In which case minor subsidence at the shaft top would be the only likely change over time. If the spoi
Topic: Hanging Flat - any history?
pwhole

Forum: Midlands   Posted: 27/10/2020 13:39:40   Subject: Hanging Flat - any history?
OK Roy, it's up there now - should have done that earlier!

It's a shame there's only a 2m-res DTM available for that area as it's a bit too crude to detect much. But the vein can be seen to
Topic: Hanging Flat - any history?
pwhole

Forum: Midlands   Posted: 27/10/2020 12:26:53   Subject: Hanging Flat - any history?
I've just uploaded the Hanging Flat extract from Doug Nash's files, and there's a few bits of interest. The vein at the end is Needham's or Brushfield Rake:

https://www.aditnow.co.uk/person
Topic: Hanging Flat - any history?
pwhole

Forum: Midlands   Posted: 27/10/2020 11:15:41   Subject: Hanging Flat - any history?
I do remember on my single visit years ago, on a litter-collection trip with PDMHS, some natural cave development crosses the main tunnel just after it branches into two, but I have no idea if that's
Topic: Lowering A Camera 650Ft Down A Flooded Mine Shaft To A Huge Collapse
pwhole

Forum: General Chat   Posted: 25/10/2020 12:19:02   Subject: Lowering A Camera 650Ft Down A Flooded Mine Shaft To A Huge Collapse
Well here's one everyone can enjoy without feeling guilty or breaching copyright. Vertex Access developed a prototype shaft inspection system along similar lines - this model used guide wires and a cu
Topic: Most worrying place you've ever been in a mine...
pwhole

Forum: General Chat   Posted: 14/10/2020 12:36:03   Subject: Most worrying place you've ever been in a mine...
[quote="royfellows"]
"its" still there, hopefully not "he's" still there!
[/quote]
Haha, no he's fine - I've never seen him move so quickly! Two of our team should be up there about now
Topic: Most worrying place you've ever been in a mine...
pwhole

Forum: General Chat   Posted: 13/10/2020 16:31:16   Subject: Most worrying place you've ever been in a mine...
Actually I was pointing inside an excavated climbing shaft on Saturday, whose ginging was slowly unpeeling at the level of my feet - it was a race to the bottom! Made it though, as I'm still typing. P
Topic: Most worrying place you've ever been in a mine...
pwhole

Forum: General Chat   Posted: 13/10/2020 01:09:22   Subject: Most worrying place you've ever been in a mine...
I've lost count of the worrying places to be honest, but this one possibly takes the biscuit - with photographic evidence at least:

[link]121383[linkphoto]121383[/linkphoto][/link]
Topic: Looking for impressive workings
pwhole

Forum: General Chat   Posted: 12/10/2020 11:59:16   Subject: Looking for impressive workings
I'm loving the 'apocalyptic' lighting - as though the biggest hurricane in history is about to hit. Really nice - thanks for sharing these.

A nice one for us Derbyshire types would be Hope
Topic: New member
pwhole

Forum: New recruits!   Posted: 04/10/2020 22:03:32   Subject: New member
'A Fistful of Tramadollars' ;)
Topic: Oxygen levels
pwhole

Forum: General Chat   Posted: 01/10/2020 14:39:34   Subject: Oxygen levels
I was with staffordshirechina some way into Hillcarr Sough when the O2 levels went down to very, very low, and I felt fine, but I can't remember if we had a CO2 meter - but that must have been one of
Topic: Oxygen levels
pwhole

Forum: General Chat   Posted: 30/09/2020 15:13:21   Subject: Oxygen levels
My colleague at the DCA who actually runs the testing program assures me that if you're [i]only[/i] concerned with CO2 levels (in Derbyshire limestone - the endless caveat), then a cheap single-gas O2
Topic: Oxygen levels
pwhole

Forum: General Chat   Posted: 30/09/2020 14:10:28   Subject: Oxygen levels
All I can say is that in Derbyshire limestone at least, you can make a [i]reasonable assumption[/i] that whatever the reading is, if it's lower than outdoors it will have been replaced by CO2 to the s
Topic: Shaft Exploring
pwhole

Forum: General Chat   Posted: 30/09/2020 11:31:13   Subject: Shaft Exploring
Surely the future of these things is nuclear? Drop a plug of plutonium in the back and it'll run for weeks ;)
Topic: Oxygen levels
pwhole

Forum: General Chat   Posted: 30/09/2020 11:28:37   Subject: Oxygen levels
DCA's research in caves and mines into this issue shows that in [i]most[/i] cases underground (in Derbyshire at least), O2 depletion is usually exactly replaced by CO2. So a 2% drop in O2 will mean th
Topic: Look at This Bad Boy
pwhole

Forum: Midlands   Posted: 06/09/2020 11:51:55   Subject: Look at This Bad Boy
I was only five, but I do have a good memory - especially when someone seems to be enjoying their head being on fire. My morning coffee also feels like this ;)
Topic: Look at This Bad Boy
pwhole

Forum: Midlands   Posted: 05/09/2020 19:46:38   Subject: Look at This Bad Boy
I seem to remember The Crazy World of Arthur Brown also had one of these when he was on [i]Top of the Pops[/i] ;)
Topic: Miners Tools.
pwhole

Forum: Mining Methods & Techniques   Posted: 31/08/2020 20:53:46   Subject: Miners Tools.
According to the guides on the Speedwell cavern tour, eating tallow candles gives you stomach cancer. Mind you, they also mention a young lad named 'Little Winster' who was made to work with a bucket
Topic: Miners Tools.
pwhole

Forum: Mining Methods & Techniques   Posted: 23/08/2020 13:34:46   Subject: Miners Tools.
Nice photo on Wikipedia:

https://en.wikipedia.org/wiki/Damascus_steel#/media/File:Damascus_bladesmith.jpg
Topic: Miners Tools.
pwhole

Forum: Mining Methods & Techniques   Posted: 22/08/2020 00:13:00   Subject: Miners Tools.
We think this one was an original wrought iron model, excavated from the shaft spoil in Longcliffe Mine:

[link]107728[linkphoto]107728[/linkphoto][/link]
Topic: Cannock coalfield project
pwhole

Forum: Midlands   Posted: 18/08/2020 21:42:21   Subject: Cannock coalfield project
[quote="Jim MacPherson"][quote="robnorthwales"]What we need is another genius to combine NLS sidebyside with LIDAR.

Jim[/quote]

The genius already has! In the right-hand screen m
Topic: Gas Monitors
pwhole

Forum: Exploration Chat   Posted: 14/08/2020 21:42:38   Subject: Gas Monitors
Bit of a side issue, but there have been two Carbon Monoxide issues that I'm aware of in lead mines - one was at Long Rake Mine near Bradwell in 2009 I think, where two visitors came out feeling very
Topic: Croesor Quarry Explosives Store Photos
pwhole

Forum: North Wales   Posted: 02/08/2020 23:52:27   Subject: Croesor Quarry Explosives Store Photos
Good grief, that's a lot of bang. I can see why they wanted it moving.
Topic: Chemical rock splitting
pwhole

Forum: Mining Methods & Techniques   Posted: 31/07/2020 00:51:46   Subject: Chemical rock splitting
A cave diver I know used some to split boulders beyond a sump where explosives were impossible, and plug and feathers ineffective - the boulders were sort of 2m-long potato shapes half-submerged in w
Topic: Gleadless, Sheffield - Mystery Excavations
pwhole

Forum: Midlands   Posted: 29/07/2020 00:04:00   Subject: Gleadless, Sheffield - Mystery Excavations
That's an interesting interpretation - several of them do have a tree growing in the centre. The prevailing wind would be downslope here, though they're well below the summit of the hill, and quite we
Topic: Gear review, Roughneck Micro Mattock
pwhole

Forum: General Chat   Posted: 25/07/2020 22:23:08   Subject: Gear review, Roughneck Micro Mattock
[quote="gNick"] I had to get a new one a while back as I managed to lose the handle, unfortunately they don't float!
[/quote]
That reminded me of my other favourite underground tool, the 'S
Topic: Gleadless, Sheffield - Mystery Excavations
pwhole

Forum: Midlands   Posted: 20/07/2020 22:30:07   Subject: Gleadless, Sheffield - Mystery Excavations
Yep, just to the east of this is 'Bolehill Farm'. And just to the east of that, adjacent to the old Hemsworth road (now bypassed by a shallower-curved road just above it) are the remains of five 'chim
Topic: Gleadless, Sheffield - Mystery Excavations
pwhole

Forum: Midlands   Posted: 20/07/2020 12:02:25   Subject: Gleadless, Sheffield - Mystery Excavations
Realistically it makes perfect sense for all of these sites to be lead-smelting related, given their location. They could access them from Derbyshire essentially at one level along the SW-NE plateau,
Topic: Gleadless, Sheffield - Mystery Excavations
pwhole

Forum: Midlands   Posted: 20/07/2020 11:52:59   Subject: Gleadless, Sheffield - Mystery Excavations
I've been using the NLS side-by-side viewer for most of this work and have found several more - all on steep west-facing escarpments in woodland. The site known in Sheffield as 'Bole Hills' is in Cobn
Topic: Mining subsidence visible on LIDAR images?
pwhole

Forum: North East England   Posted: 19/07/2020 14:08:17   Subject: Mining subsidence visible on LIDAR images?
To save diverting this thread any further from its original topic I've started up a new one:

https://www.aditnow.co.uk/Community/viewtopic.aspx?t=14978
Topic: Gleadless, Sheffield - Mystery Excavations
pwhole

Forum: Midlands   Posted: 19/07/2020 14:07:32   Subject: Gleadless, Sheffield - Mystery Excavations
I've split this off from the 'Mining subsidence' topic as it probably deserved its own:

[quote="AR"]White coal kilns (aka "Q" pits) don't need to be on the top of a scarp as they're for a r
Topic: Mining subsidence visible on LIDAR images?
pwhole

Forum: North East England   Posted: 18/07/2020 16:25:21   Subject: Mining subsidence visible on LIDAR images?
Well I clicked 'Allow' for my location in two different browsers and I was in Northamptonshire in one, and Essex in the other - which will do nicely ;)
Topic: Mining subsidence visible on LIDAR images?
pwhole

Forum: North East England   Posted: 18/07/2020 15:48:54   Subject: Mining subsidence visible on LIDAR images?
I'm finding the lighting model a bit weird on this application, as features I've located on a LIDAR map generated for me are almost invisible on this one.

Anyway, it has reminded me to post
Topic: Gear review, Roughneck Micro Mattock
pwhole

Forum: General Chat   Posted: 14/07/2020 23:05:51   Subject: Gear review, Roughneck Micro Mattock
I've got a couple of Roughneck shovels, one of these micro picks and a few crowbars too - they're very impressive tools for the price and I haven't had any of them fail on me yet - other than someone
Topic: Construction Phase of 'Woodsmith Mine' Launched by Sirius Minerals
pwhole

Forum: North East England   Posted: 26/06/2020 00:35:01   Subject: Construction Phase of 'Woodsmith Mine' Launched by Sirius Minerals
Interesting turn of events, though not entirely unexpected with these swine:

https://www.theguardian.com/politics/2020/jun/25/robert-jenrick-faces-questions-over-meeting-with-israeli-mining
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