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Posts by Gwyn

Showing 650 results below:

Author Message
Topic: Mine Bells
Gwyn

Forum: Mining Heritage   Posted: 24/10/2011 16:43:31   Subject: Mine Bells
Rats! I'll make some local enquiries, see what I can find, but can't promise anything.
Topic: Mine Bells
Gwyn

Forum: Mining Heritage   Posted: 24/10/2011 16:21:17   Subject: Mine Bells
Gwynedd Archives, Caernarfon, should hold some photographs of the Penrhyn bell, as well as the bugler who was also used to warn of blasting. Last time I looked they only charge £15 for use as you wish
Topic: Plas Tan y Bwlch lecture - 6th October
Gwyn

Forum: General Chat   Posted: 07/10/2011 11:36:31   Subject: Plas Tan y Bwlch lecture - 6th October
It was good to see you all! :)
I'd been trying very hard in the darkness to take notes of the lecture so it was great afterwards to be able to buy the illustrated booklet of the talk. Just wish
Topic: Menai coal seams/Beaumaris tramway
Gwyn

Forum: North Wales   Posted: 11/07/2011 18:15:40   Subject: Menai coal seams/Beaumaris tramway
Baron Hill was rebuilt circa. 1776 by Samuel Wyatt and the landscaping was done by William Emes. The Grand Drive was entranced via the ornate, wrought iron gateway at SH58267433 . As Digit has pointed
Topic: The Technology of Slate
Gwyn

Forum: North America   Posted: 09/06/2011 19:25:51   Subject: The Technology of Slate
Thanks for that Carnkie. At a quick perusal it looks very interesting and informative. Cheers. :thumbsup:
Topic: Restoring Dines
Gwyn

Forum: South West England   Posted: 05/06/2011 17:50:43   Subject: Restoring Dines
Bookbane,
Unit 9,
Felin Fawr,
Coed y Parc,
Bethesda, Gwynedd. LL5 4YY.
Tel. 01248 600632
Contact, Lyndsay. They specialise in old and rare books, restoration and bookbi
Topic: Hunter Saw
Gwyn

Forum: Mining Methods & Techniques   Posted: 01/04/2011 17:55:00   Subject: Hunter Saw
I've made a couple of trips over to Betws-y-Coed to have a good look at the buildings and the striation marks left by the Hunter saw. Some of the resulting photographs are in my personal album. Please
Topic: Hunter Saw
Gwyn

Forum: Mining Methods & Techniques   Posted: 17/03/2011 16:41:28   Subject: Hunter Saw
Is this the only sample that has been found?
Topic: Hunter Saw
Gwyn

Forum: Mining Methods & Techniques   Posted: 16/03/2011 17:35:54   Subject: Hunter Saw
Have you read Hunter Saws / Thoughts on Saws by Rodney Weaver (additional notes by G. Isherwood) ? It's in the Technical Documents section of this site.
He states that blades were made as large
Topic: 3800mAh AA batteries
Gwyn

Forum: General Chat   Posted: 28/02/2011 18:08:20   Subject: 3800mAh AA batteries
Reading this thread reminded me of this:-
http://e-group.uk.net/forum/showthread.php?t=6331
It may be of interest and use.
Topic: Help wanted to pinpoint a mine
Gwyn

Forum: North Wales   Posted: 15/01/2011 18:11:56   Subject: Help wanted to pinpoint a mine
Hi Wormster,
This one has cropped up before and been discussed on the forum. Try searching the forum using the term asbeostos mine . I'm sure others will be along later who migh
Topic: Merry Christmas everyone
Gwyn

Forum: General Chat   Posted: 24/12/2010 12:33:51   Subject: Merry Christmas everyone
...and a Happy New Year :thumbsup:
Topic: New event added 'Day school: Forty Years of Practical Industrial Archaeology' on 04/12/2010 at 10:00
Gwyn

Forum: Events   Posted: 06/12/2010 18:18:36   Subject: New event added 'Day school: Forty Years of Practical Industrial Archaeology' on 04/12/2010 at 10:00
An excellent day :thumbsup:
Thanks are due to all the speakers and the staff of Plas Tan y Bwlch. Thanks also to Skimble for flagging it up on the forum.
It was however rather dis-hearteni
Topic: CALENDAR 2011 - PHOTO SUBMISSIONS PLEASE!
Gwyn

Forum: General Chat   Posted: 18/09/2010 17:07:33   Subject: Calendar 2011 - I want to submit pics!
You're welcome to consider using any of my photographs.
If you were to decide to use any, then give me a shout and I'll send you the originals so you can edit and process to suit.
Topic: Calendar 2011 - I want one!
Gwyn

Forum: General Chat   Posted: 18/09/2010 16:55:21   Subject: Calendar 2011 - I want one!
One for me, please.
Topic: Finding a buried manhole.
Gwyn

Forum: General Chat   Posted: 05/08/2010 21:55:33   Subject: Finding a buried manhole.
So how goes it, Stuey?
Did you find it?
Topic: Camera focussing characteristics
Gwyn

Forum: Underground Photography & Video   Posted: 30/07/2010 11:21:30   Subject: Camera focussing characteristics
The fact that the camera takes razor sharp close-ups but is out of focus at infinity leads me to suspect that it's an issue with depth of focus i.e. the distance between the rear lens element and the
Topic: Finding a buried manhole.
Gwyn

Forum: General Chat   Posted: 21/07/2010 21:34:48   Subject: Finding a buried manhole.
I suspect that Lawsonium has the answer!
I've been hunting high and low for my stud/cable/rebar detector so I could test it on some man holes...but I've been unable to locate it!
What are th
Topic: Finding a buried manhole.
Gwyn

Forum: General Chat   Posted: 21/07/2010 19:12:14   Subject: Finding a buried manhole.
A man hole lid is quite a significant magnetic anomaly lump!
I've just been trying the technique, on a cast iron man hole assembly, with Suunto M3 and a Glausner Mk.4 and getting significant def
Topic: Finding a buried manhole.
Gwyn

Forum: General Chat   Posted: 21/07/2010 18:23:11   Subject: Finding a buried manhole.
Compass deflection?
Topic: Camera focussing characteristics
Gwyn

Forum: Underground Photography & Video   Posted: 14/07/2010 12:45:11   Subject: Camera focussing characteristics
Any clues in the EXIF data?
Might it be focusing beyond infinity?
Topic: Ystrad Iron Mine info please
Gwyn

Forum: North Wales   Posted: 04/07/2010 15:16:06   Subject: Ystrad Iron Mine info please
The Cwm Gwyrfai book, that BertyB. has linked to, is probably the best summary that I can find, although its entry is under Garreg Fawr. It's interesting to note that in the same book, under the Brynf
Topic: Four Thirds camera - any use underground?
Gwyn

Forum: Underground Photography & Video   Posted: 14/06/2010 16:30:46   Subject: Four Thirds camera - any use underground?
Vanoord, you may wish to have a look at :-
www.wrotniak.net On the home page, click on Photo Tidbits and then on Olympus E System.
The only (I think) Olympus camera that is "weather sealed"
Topic: Foel Slate Mine
Gwyn

Forum: North Wales   Posted: 27/05/2010 17:15:03   Subject: Foel Slate Mine
Dylan, I park up at Bryn Glo (SH73615710) and walk a short distance back up the A5 and cross over Pont Cyfyng onto the "back road". After about 100M. there's a road that takes off to the right, uphill
Topic: Foel Slate Mine
Gwyn

Forum: North Wales   Posted: 19/05/2010 11:27:36   Subject: Foel Slate Mine
I have to admit that I didn't look at the Gazeteer before going up there. It was only later, when uploading the pictures, that I had a quick look at the Foel entry, in preparation for anotation.
Topic: Foel Slate Mine
Gwyn

Forum: North Wales   Posted: 19/05/2010 10:34:01   Subject: Foel Slate Mine
Thanks. Foel had been on my "to do" list for some time and yesterday was the day. The light went "milky", because of high cloud, after mid-morning.
A fascinating site. One thing that struck me wa
Topic: New mine?
Gwyn

Forum: North Wales   Posted: 30/04/2010 16:15:10   Subject: New mine?
Neigwl (Neugyll 1291, Newgwl 1352) was the centre of the commote of Cymydmaen, for which Porth Neigwl would have provided important sea access. The origin of Neigwl is rather obscure but is probably
Topic: Garreg Faw Slate Mine - Photo
Gwyn

Forum: North Wales   Posted: 23/04/2010 17:14:05   Subject: Garreg Faw Slate Mine - Photo
Cwm Gwyrfai.
The Quarries of the North Wales Narrow Guage and The Welsh Highland Railway.
Gwynfor Pierce Jones & Alun John Richards.
ISBN. 0-86381-879-8 Gwasg Carreg Gwalch.
Page
Topic: International mine explorers
Gwyn

Forum: Europe   Posted: 22/02/2010 19:55:13   Subject: International mine explorers
Thanks are also due to Spitfire who jogged my memory regarding R.W.Fox. :thumbup:
Topic: McAlpine / Penrhyn Quarry - Sale / Fraud case
Gwyn

Forum: North Wales   Posted: 22/02/2010 19:52:09   Subject: McAlpine / Penrhyn Quarry - Sale / Fraud case
There's a bit of contradiction here.
The report says that the Court was told [by whom?] that the fraud was not designed to enrich the defendants directly.....
Yet Law had benefited by £406,0
Topic: International mine explorers
Gwyn

Forum: Europe   Posted: 18/02/2010 22:25:24   Subject: International mine explorers
Hi Gollum,
Welcome. Your question regarding light and flashes made me think of electrical resistivity tomography and magnetotellurics. This is not my subject area, so please forgive
Topic: Gwynfynydd Gold Mine Redevelopment
Gwyn

Forum: North Wales   Posted: 10/02/2010 00:18:19   Subject: Gwynfynydd Gold Mine Redevelopment
So, what species of lichen?
Topic: Wigwam Archive Album.
Gwyn

Forum: North America   Posted: 08/02/2010 19:33:48   Subject: Wigwam Archive Album.
Thanks for the answers and the links.
Wouldn't mind one in the garden! It rather reminds me of Anish Kapoor's work, only earlier! Cheers.
Topic: Wigwam Archive Album.
Gwyn

Forum: North America   Posted: 07/02/2010 22:14:28   Subject: Wigwam Archive Album.
Carnkie,
What was the polished granite ball to be used for?[link]Wigwam-Granite-Quarry-Archive-Album-Image-47664[linkphoto]Wigwam-Granite-Quarry-Archive-Album-Image-47664[/linkphoto][/lin
Topic: Dantzic timber
Gwyn

Forum: South West England   Posted: 05/02/2010 22:21:36   Subject: Dantzic timber
Dantzic timber is any timber that was exported from the Baltic port of Danzig, now known as Gdansk.
Gdansk is on the mouth of the Motlawa river and thus had good water access to the large inland
Topic: Divining-rods
Gwyn

Forum: General Chat   Posted: 22/01/2010 18:49:14   Subject: Divining-rods
It seems that Mr. Jim McCormick and his divining rod based ADE-651 is getting its come-uppance. May he hang his head in shame.
See Newsnight, tonight at 10:30 or the BBC website:-
http://new
Topic: Copper Precipitation
Gwyn

Forum: General Chat   Posted: 13/01/2010 16:28:37   Subject: Copper Precipitation
I've not done it myself but there are a few pages on the subject on www.parysmountain.co.uk Click on processes > precipitation to find them. May or may not be of help; good luck!
Topic: Maenofferen - collapse in Cooke's Adit
Gwyn

Forum: North Wales   Posted: 04/01/2010 17:03:10   Subject: Maenofferen - collapse in Cooke's Adit
If the recent and continuing cold weather has anything to do with this, it is the expansion of water just before it reaches freezing point (4C. or there abouts) that does the damage rather than the co
Topic: Photo of the Month... really?
Gwyn

Forum: General Chat   Posted: 04/01/2010 16:51:17   Subject: Photo of the Month... really?
I was wondering about this!
Somebody is messing about!
Topic: Merry Christmas
Gwyn

Forum: General Chat   Posted: 25/12/2009 00:00:56   Subject: Merry Christmas
Merry Christmas and a Happy New Year. :thumbsup:
Topic: Mine data request by NWCRO
Gwyn

Forum: General Chat   Posted: 14/12/2009 20:12:39   Subject: Mine data request by NWCRO
I have no problem with information being shared with NWCRO and the local Mountain Rescue Teams. I agree with Roy on any further dissemination of any information.
I'd like to think that NWCRO and
Topic: Miners compensation claims
Gwyn

Forum: Mining People & Communities   Posted: 07/12/2009 14:43:49   Subject: Miners compensation claims
Simon McMillan of Beresford's is reported as saying-
"They will no doubt be carefully considering their options as to what steps to take to clear their names"..
This is after three High Cour
Topic: BBC The One Show
Gwyn

Forum: General Chat   Posted: 17/11/2009 20:26:50   Subject: BBC The One Show
Penrhyn isn't a mine....it's a quarry!
Topic: New book "Lead in the Veins"
Gwyn

Forum: Midlands   Posted: 17/11/2009 17:54:50   Subject: New book
Graham, since it is not pertaining to AR's original posting and thus :offtopic: , I'll PM you.
Topic: Divining-rods
Gwyn

Forum: General Chat   Posted: 13/11/2009 17:54:53   Subject: Divining-rods
With due respect, AndyC, a non blind or non double blind, self selected sample base of one, no matter how many times repeated, does not constitute a trial, let alone a scientific experiment.
If i
Topic: New book "Lead in the Veins"
Gwyn

Forum: Midlands   Posted: 11/11/2009 18:38:58   Subject: New book
On balance, I'd say yes.
Topic: Hunter Saw at Pen-y-Bryn (photo)
Gwyn

Forum: North Wales   Posted: 11/11/2009 15:46:49   Subject: Hunter Saw at Pen-y-Bryn (photo)
Indeed, what a confusing caption!
I am given to understand that the Hunter saw at Penrhyn was housed in the slate-block built extension on the NW. side of Felin Fawr, Coed-y-Parc. This building h
Topic: New book "Lead in the Veins"
Gwyn

Forum: Midlands   Posted: 11/11/2009 14:53:51   Subject: New book
Welsh Slate Mining Past and Present is a compilation by Lindsey Porter based on Victorian Slate Mining by the late Ivor Wynne Jones. In many ways it is a highly summarised duplication with the additio
Topic: Divining-rods
Gwyn

Forum: General Chat   Posted: 05/11/2009 15:55:10   Subject: Divining-rods
Aisthesthai is perceive. Hidden perception is a better translation.
Topic: Good causes wanted for calendar profits!
Gwyn

Forum: General Chat   Posted: 03/11/2009 11:24:52   Subject: Good causes wanted for calendar profits!
Donations to the British Cave Rescue Council appears a fair, reasonable and equitable solution. Good suggestion.
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