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Posts by Jim MacPherson

Showing 538 results below:

Author Message
Topic: Vent shaft stacks
Jim MacPherson

Forum: General Chat   Posted: 11/11/2020 18:12:03   Subject: Vent shaft stacks
[quote="colin567"]Looks like if Ye Olde Miner were to try winding that jack roll, he would be uncomfortable and likely to fall down the hole![/quote]

I think Georgie, he's my mate now, was
Topic: Vent shaft stacks
Jim MacPherson

Forum: General Chat   Posted: 11/11/2020 17:03:46   Subject: Vent shaft stacks
Book VI (page 202 in my Hoover edition)

"A" is termed "PROJECTING MOUTH OF CONDUIT"

"B" is termed "PLANKING FIXED TO MOUTH OF CONDUIT WHICH DOES NOT PROJECT"

There are
Topic: Vent shaft stacks
Jim MacPherson

Forum: General Chat   Posted: 11/11/2020 16:23:30   Subject: Vent shaft stacks
[quote="staffordshirechina"][quote="Lindybeige"]https://www.flickr.com/photos/bookhistorian/33696587890/in/album-72157682587188056/

This picture from Agricola shows vertical shafts with bra
Topic: Lowering A Camera 650Ft Down A Flooded Mine Shaft To A Huge Collapse
Jim MacPherson

Forum: General Chat   Posted: 28/10/2020 16:43:32   Subject: Lowering A Camera 650Ft Down A Flooded Mine Shaft To A Huge Collapse
[quote="christwigg"][quote="Jim MacPherson"]Last time Mr S. Twigg (alias AME and retrogamerVX? I think) was asked about permission (Yorkshire TV in that case), he used a questionable word formulation
Topic: Lowering A Camera 650Ft Down A Flooded Mine Shaft To A Huge Collapse
Jim MacPherson

Forum: General Chat   Posted: 25/10/2020 11:54:01   Subject: Lowering A Camera 650Ft Down A Flooded Mine Shaft To A Huge Collapse
Very good point Mr Burgess, although when interesting films like the Bargain Men of Swaledale are presented in this way, ie no attribution and the logos etc edited out, then that becomes something of
Topic: Lowering A Camera 650Ft Down A Flooded Mine Shaft To A Huge Collapse
Jim MacPherson

Forum: General Chat   Posted: 25/10/2020 11:21:52   Subject: Lowering A Camera 650Ft Down A Flooded Mine Shaft To A Huge Collapse
Last time Mr S. Twigg (alias AME and retrogamerVX? I think) was asked about permission (Yorkshire TV in that case), he used a questionable word formulation to suggest it had been given, by saying that
Topic: N Pennines Staycation
Jim MacPherson

Forum: North East England   Posted: 09/10/2020 18:40:05   Subject: N Pennines Staycation
Looking at the rather dubious state of the bank above the West Allen and the dangling rails by Scraithole resurrecting the tramway might be a costly venture but I'm sure Rishi will think about possibl
Topic: 2021 Calendar
Jim MacPherson

Forum: Underground Photography & Video   Posted: 09/10/2020 15:14:39   Subject: 2021 Calendar
Just as a thought would people think simple donations to a suitable cause or causes could be an alternative for this year?

Time enough for a voting system and and some method of allowing mo
Topic: Parys Mountain near Amlwch
Jim MacPherson

Forum: North Wales   Posted: 06/10/2020 15:04:29   Subject: Parys Mountain near Amlwch
[quote="TheBogieman"]

Jim Mc - the official terminology is 'Great Opencast' for the big pit and 'Hillside Opencast for the smaller one...

Clive
PUG Member[/quote]

Topic: Construction Phase of 'Woodsmith Mine' Launched by Sirius Minerals
Jim MacPherson

Forum: North East England   Posted: 05/10/2020 10:38:05   Subject: Construction Phase of 'Woodsmith Mine' Launched by Sirius Minerals
Possibly encouraging news;

https://www.bbc.co.uk/news/uk-england-york-north-yorkshire-54416677
Topic: Parys Mountain near Amlwch
Jim MacPherson

Forum: North Wales   Posted: 04/10/2020 21:48:52   Subject: Parys Mountain near Amlwch
[quote="ChrisJC"][quote="rufenig"]calling it "Wales's grand canyon".
[/quote]

Hmm, the Grand Canyon is a mile deep and 277 miles long. Seems like a mildly optimistic comparison!
<
Topic: Bargain Men : The Decline Of The Lead Mining Industry In Swaledale, Yorkshire, UK
Jim MacPherson

Forum: General Chat   Posted: 12/09/2020 07:45:39   Subject: Bargain Men : The Decline Of The Lead Mining Industry In Swaledale, Yorkshire, UK
This has cropped up before;

https://www.aditnow.co.uk/community/viewtopic.aspx?t=14214

And Boy Engineer also gave the link to the YFA last year,

It is a good idea tha
Topic: Dinorwic - Snakes Ladders and Tunnels - (3D)
Jim MacPherson

Forum: North Wales   Posted: 06/09/2020 07:46:46   Subject: Dinorwic - Snakes Ladders and Tunnels - (3D)
Very interesting model.

We spent several Easters in and around there in the early 1990's can only find a couple of photos and they were of the kids running around an incline.

The
Topic: Video Explore : Solving The Mystery Of The Huge Laddered Raise
Jim MacPherson

Forum: General Chat   Posted: 30/08/2020 07:11:22   Subject: Video Explore : Solving The Mystery Of The Huge Laddered Raise
The surname Tarn cropped up quite frequently during the research into Pike Law and there is a Tarn Streak running SW-NE across the top of the site. Having said that certain surname were quite prevale
Topic: Cannock coalfield project
Jim MacPherson

Forum: Midlands   Posted: 19/08/2020 07:04:53   Subject: Cannock coalfield project
[quote="pwhole"][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 rig
Topic: Cannock coalfield project
Jim MacPherson

Forum: Midlands   Posted: 18/08/2020 14:05:50   Subject: Cannock coalfield project
[quote="robnorthwales"]Agreed Roy, the NLS mapping website is a work of genius.

I can happily spend hours looking at old rail lines, mine sites, abandoned communities that were associated w
Topic: Bradley Mine
Jim MacPherson

Forum: North East England   Posted: 17/08/2020 18:15:10   Subject: Bradley Mine
Allegedly thermal coal now only supplies 2% of UK electricity needs, I suspect Banks has more than that on their existing and, possibly, planned sites. Bit tough on the local folk as there's not much
Topic: Minera, deterioration at Meadow Shaft
Jim MacPherson

Forum: North Wales   Posted: 29/07/2020 10:45:39   Subject: Minera, deterioration at Meadow Shaft
Thanks for adding the 2006 site photos Roy, clearly there were good intentions in the scheme but equally (using the fundamental skill of hindsight) maintenance costs would be quite high. On the curre
Topic: Gleadless, Sheffield - Mystery Excavations
Jim MacPherson

Forum: Midlands   Posted: 28/07/2020 21:04:40   Subject: Gleadless, Sheffield - Mystery Excavations
[quote="Yorkshireman"]About the half-cylindrical enclosures.

Small enclosures like these were erected to protect plants grown on hillsides against cold air rolling down into the valley.
Topic: Minera, deterioration at Meadow Shaft
Jim MacPherson

Forum: North Wales   Posted: 28/07/2020 14:01:44   Subject: Minera, deterioration at Meadow Shaft
Both Frank Atkinson and Neil Cossons were somewhat vilified for their rather [i]dirigiste[/i] approach at Beamish and Ironbridge but perhaps there were some pluses to the centralisation of important b
Topic: Minera, deterioration at Meadow Shaft
Jim MacPherson

Forum: North Wales   Posted: 28/07/2020 13:06:43   Subject: Minera, deterioration at Meadow Shaft
Being mischievous I might also add "shiny new toy syndrome" to short-termism.

The promoters of a scheme are often as culpable as the holders of the purse strings but as the heritage industr
Topic: Minera, deterioration at Meadow Shaft
Jim MacPherson

Forum: North Wales   Posted: 28/07/2020 07:17:50   Subject: Minera, deterioration at Meadow Shaft
[quote="John Mason"][quote="NewStuff"]As said above - The current council have zero interest in maintaining or making use of any heritage site, as it doesn't fit with the current "Green" ideals being
Topic: Gleadless, Sheffield - Mystery Excavations
Jim MacPherson

Forum: Midlands   Posted: 20/07/2020 09:25:44   Subject: Gleadless, Sheffield - Mystery Excavations
[quote="alexECP"]I think the term "meer" here means boundary as this stream was boundary between Derbyshire & Yorkshire[/quote]

I think it's even older than the development of the English s
Topic: Powdered milk
Jim MacPherson

Forum: General Chat   Posted: 14/07/2020 09:13:59   Subject: Powdered milk
[quote="Yorkshireman"]Oatcakes for breakfast, with cheese or bacon and beans - there was a great shop just down Lightwood Road from my flat.

Lockett's Oatcake Shop in Lightwood Road
Topic: Powdered milk
Jim MacPherson

Forum: General Chat   Posted: 11/07/2020 15:10:36   Subject: Powdered milk
[quote="Yorkshireman"]There's a product made in Germany called "Sucofin Magermilchpulver" (skimmed milk powder).

Tastes just like the real thing when its reconstituted with water and then a
Topic: Photography in caves
Jim MacPherson

Forum: Underground Photography & Video   Posted: 27/06/2020 18:32:34   Subject: Photography in caves
[quote="TwllMawr"][quote="gingerlycolors"]I recommend using the Olympus TG5 camera for underground photography. It comes with a function called Live Composite Mode which enables you light-paint a phot
Topic: Glyn Rhonwy 'Earth Centre'
Jim MacPherson

Forum: North Wales   Posted: 14/06/2020 11:09:05   Subject: Glyn Rhonwy 'Earth Centre'
[quote="JohnnearCfon"]An "exciting and much-needed" project,

Yes, right, just like a visit to the dentist!!![/quote]

For some people that last bit might actually be true at the m
Topic: Gilderdale/Michaelley Syke
Jim MacPherson

Forum: North West England   Posted: 01/06/2020 14:26:31   Subject: Gilderdale/Michaelley Syke
This does appear to be a duplicate entry.

Brooks' photo of the entrance for Gilderdale (complete with date stone just visible in supersize)

Photograph:

[link]35909[lin
Topic: Back underground ????
Jim MacPherson

Forum: General Chat   Posted: 12/05/2020 15:41:38   Subject: Back underground ????
[quote="ttxela"][quote="50shadesofgreen"]

When I'm in a mine alone and take a photo with an ordinary flash I always get a hazy image with a mass of white orbs on. I've always assumed that w
Topic: Back underground ????
Jim MacPherson

Forum: General Chat   Posted: 12/05/2020 07:04:23   Subject: Back underground ????
The nature of the problem seems quite well explained in this short piece and of some interest is the much higher apparent overall infection level (20/25%) in Sweden than the UK (10%)


Topic: Cononley Lead Mine, N.Yorks
Jim MacPherson

Forum: North West England   Posted: 08/05/2020 18:43:28   Subject: Cononley Lead Mine, N.Yorks
Perhaps you could try Mike Gill directly at NMRS, he may have spare copies lurking, but I'm less clear how a printed pdf (that you can scribble on it to your heart's content) is less useful than the r
Topic: House with an incline?
Jim MacPherson

Forum: General Chat   Posted: 04/05/2020 16:59:37   Subject: House with an incline?
And with a bit more lateral thinking I suspect he can also mechanise the hedge trimming to avoid leaves on the line. :o

Jim
Topic: Free money for clubs with huts
Jim MacPherson

Forum: General Chat   Posted: 30/04/2020 07:31:14   Subject: Free money for clubs with huts
This thread has become a bit tetchy, the OP's comment about funding seems quite a reasonable avenue for clubs to pursue. If you feel the need to vent spleen etc have a beef at second home owners who
Topic: Woodhouse Colliery
Jim MacPherson

Forum: General Chat   Posted: 17/04/2020 08:25:23   Subject: Woodhouse Colliery
The was a short piece, on Inside Science last night, about the concept of a carbon neutral coal mine and alternatives to coke for reduction of iron ore.


https://www.bbc.co.uk/programm
Topic: Tramway in Hyons Wood (photo)
Jim MacPherson

Forum: North East England   Posted: 05/04/2020 17:53:00   Subject: Tramway in Hyons Wood (photo)
Hi,

Enjoy the site, you've probably used this link, below, already.

https://sites.google.com/site/waggonways/nz/00/nz0060


When we lived in Greenside and the kids
Topic: In a study, scientists have found traces of lead, transported on the winds from British mines that operated in the late 1100s.
Jim MacPherson

Forum: General Chat   Posted: 31/03/2020 10:33:19   Subject: In a study, scientists have found traces of lead, transported on the winds from British mines that operated in the late 1100s.
Fine work Margot, when I first tried the BBC link it sent me to an error page, hence my, not completely successful, trawling.

Mind the BBC take on it was a bit selective.

Between
Topic: In a study, scientists have found traces of lead, transported on the winds from British mines that operated in the late 1100s.
Jim MacPherson

Forum: General Chat   Posted: 31/03/2020 09:32:10   Subject: In a study, scientists have found traces of lead, transported on the winds from British mines that operated in the late 1100s.
Still can't find the actual article, but this one, also co-authored by the same bloke, is similar work but relating to lead pollution during the Black Death some 150/200 years later, part of the confi
Topic: In a study, scientists have found traces of lead, transported on the winds from British mines that operated in the late 1100s.
Jim MacPherson

Forum: General Chat   Posted: 31/03/2020 08:08:24   Subject: In a study, scientists have found traces of lead, transported on the winds from British mines that operated in the late 1100s.
Seems quite bold commentary, I wonder if their analysis is sensitive enough to remove lead dust originating in the Harz district. I also wonder a bit about the wind direction, north westerly air flows
Topic: Mining term: jem crow
Jim MacPherson

Forum: General Chat   Posted: 29/03/2020 20:27:29   Subject: Mining term: jem crow
[quote="rikj"][quote="Jim MacPherson"]I'm equally ignorant about them and many other things but rikj seems to know based on a photo in his personal album.[/quote]

The term turned up in a th
Topic: Mining term: jem crow
Jim MacPherson

Forum: General Chat   Posted: 29/03/2020 15:16:22   Subject: Mining term: jem crow
[quote="gNick"]Forgive my ignorance but what are jazz rails?[/quote]

I'm equally ignorant about them and many other things but rikj seems to know based on a photo in his personal album.
Topic: What’s the strangest thing you’ve found?
Jim MacPherson

Forum: General Chat   Posted: 25/03/2020 16:29:51   Subject: What’s the strangest thing you’ve found?
Not a mine or so much strange as unusually tasty, a cup of tea just after we left Hydrophobia Passage in Sleets Gill cave, the bloke who brewed it was was waiting for his mates to return, not that we'
Topic: info
Jim MacPherson

Forum: Midlands   Posted: 25/03/2020 15:03:10   Subject: info
[quote="lozz"][quote="Jim MacPherson"][quote="lozz"]Locard.

Lozz.[/quote]

Not come across that before Lozz, presume it means a nice person.[/quote]

"Every contact leav
Topic: info
Jim MacPherson

Forum: Midlands   Posted: 25/03/2020 14:47:05   Subject: info
[quote="lozz"]Locard.

Lozz.[/quote]

Not come across that before Lozz, presume it means a nice person.

As regards farmers get upset - might be linked on a comment from
Topic: Construction Phase of 'Woodsmith Mine' Launched by Sirius Minerals
Jim MacPherson

Forum: North East England   Posted: 04/03/2020 11:29:26   Subject: Construction Phase of 'Woodsmith Mine' Launched by Sirius Minerals
Well at least the project will probably go ahead;

https://www.bbc.co.uk/news/business-51733402

Although I suspect there will be quite a few disgruntled investors.

A pu
Topic: Woodhouse Colliery
Jim MacPherson

Forum: General Chat   Posted: 05/02/2020 20:29:40   Subject: Woodhouse Colliery
Slightly worryingly no one from the local authority or the company was willing to explain what was meant by the claim of "carbon neutral".

Equally worrying was C4's clip of Boris Johnson
Topic: Hope Level 1970s/80s (photo)
Jim MacPherson

Forum: North East England   Posted: 03/02/2020 10:06:24   Subject: Hope Level 1970s/80s (photo)
Corrections done, thanks both.

The photo below is the one John was referring to.

[photo]119847[/photo]

Jim
Topic: Hope Level 1970s/80s (photo)
Jim MacPherson

Forum: North East England   Posted: 03/02/2020 07:08:19   Subject: Hope Level 1970s/80s (photo)
Hi John,

Many thanks for the correction.

That's one definite advantage of being there at the time.

I imagine to other photo in the collection with steel arching will a
Topic: South Wales Coalfield book query
Jim MacPherson

Forum: South Wales   Posted: 01/02/2020 12:33:03   Subject: South Wales Coalfield book query
[quote="ptpeaty"]Nationalisation was post WW2 and not WW1. However, the south Wales coalfield was in trouble after WW1 due to the loss of European customers who started getting their coal free from Ge
Topic: South Wales Coalfield book query
Jim MacPherson

Forum: South Wales   Posted: 29/01/2020 18:44:58   Subject: South Wales Coalfield book query
Fascinating reading, may well be a bit one-sided but if there are no known other copies it deserves to be preserved in an archive in Wales, Big Pit, Aberystwyth library or whatever is most appropriat
Topic: Great County Adit
Jim MacPherson

Forum: New recruits!   Posted: 22/01/2020 19:01:59   Subject: Great County Adit
[quote="NewStuff"]

Google generally does a better job of reverse image search than Bing.

[/quote]

I've just tried it and it decided it had to be looking for "outcrops
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