Curious about an adit· Page 2 · AditNow Community

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Jack Tempest
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8 years ago

#21

"royfellows" wrote:
I have looked at your photo and it is certainly not an ice house much too small, some drainage levels certainly are that small.

Than you for giving this your attention. It's far more interesting than I expected. Happy to DM anyone who has local knowledge/ maps. Does this sort of stuff get collected and built into a picture by local historians or mining enthusiasts? How far away from the shaft/mine, typically, is an adit of this size? Or is it possible that an adit was created before any mine workings were commenced? Apologies for the ignorance!

Morlock
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8 years ago

#22

Not the full picture, but a good start.

https://en.wikipedia.org/wiki/Adit

Morlock
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8 years ago

#23

A little more info, should it be Wheal lemon.

https://www.mindat.org/loc-260512.html

robnorthwales
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8 years ago

#24

Here's a drainage level - Halkyn Deep Level.

https://www.aditnow.co.uk/Photo/Adit-For-Drainage-Tunnel-Above-Halkyn_62924/

The entrance is currently about 5 feet in height, though there is a pipe (visible) virtually buried in the thick sludge, and it was probably more like 8 feet originally. The passageway is close to 3 feet deep in thick, clingy gloop - and eels ! The tunnel is collapsed 2-300 yards in. It still carries a reasonable amount of water, however.

Madness takes its toll, please carry exact change

Jack Tempest
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8 years ago

#25

"robnorthwales" wrote:
Here's a drainage level - Halkyn Deep Level.

https://www.aditnow.co.uk/Photo/Adit-For-Drainage-Tunnel-Above-Halkyn_62924/

The entrance is currently about 5 feet in height, though there is a pipe (visible) virtually buried in the thick sludge, and it was probably more like 8 feet originally. The passageway is close to 3 feet deep in thick, clingy gloop - and eels ! The tunnel is collapsed 2-300 yards in. It still carries a reasonable amount of water, however.

So very similar in construction. Interesting. Thank you for that.

Peter Burgess
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8 years ago

#26

Is the discharge point at estuary level? That would be the best level for maximum effect for a mine working. If it's significantly higher than "sea level", then perhaps it was a level driven to feed a reservoir/cistern/whatever for a water supply of some sort, which would need to be below the portal. Water supply might be for a wheel, domestic/farm supply, industry of some sort........

lozz
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8 years ago

#27

A map location or a description of the location might help.....?

Lozz.

Morlock
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8 years ago

#28

"Peter Burgess" wrote:
Water supply might be for a wheel, domestic/farm supply, industry of some sort........

I did find a pond and water wheel yesterday on 'old maps', but discounted it as not "facing Devoran".

https://zoom.earth/#50.202935,-5.101755,19z,sat

https://catalogue.millsarchive.org/carclew-estate-pump-wwheel-by-visick-1923-3-97

lozz
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8 years ago

#29

"Morlock" wrote:

"Peter Burgess" wrote:
Water supply might be for a wheel, domestic/farm supply, industry of some sort........

I did find a pond and water wheel yesterday on 'old maps', but discounted it as not facing Devoran.

https://zoom.earth/#50.202935,-5.101755,19z,sat

https://catalogue.millsarchive.org/carclew-estate-pump-wwheel-by-visick-1923-3-97

I don't think it's that, I freed up the wheel and did some repairs to the buckets on that water wheel on the Carclew Estate many moons ago, the discharge from the wheel is open all the way so far as I remember, no tunnel.

Lozz.

Morlock
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8 years ago

#30

Tend to agree, mentioned just in case.

Peter Burgess
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8 years ago

#31

I was suggesting a head supply for a water reservoir not a tail race. As said, not knowing the circumstances means we are only speculating.

Morlock
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8 years ago

#32

"Peter Burgess" wrote:
I was suggesting a head supply for a water reservoir not a tail race. As said, not knowing the circumstances means we are only speculating.

If you refer to my earlier speculative map there is a gap between the pond and the start of the stream which may suggest a tunnel?

Edit: The gap between pond and stream is around 70 feet.

Peter Burgess
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8 years ago

#33

Yes, but do you know where the mouth of the tunnel is?

Morlock
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8 years ago

#34

Top LH corner shows an aqueduct?

http://maps.nls.uk/view/105995737

Further speculate there could also be a tunnel for draining the pond?

Morlock
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8 years ago

#35

"Peter Burgess" wrote:
Yes, but do you know where the mouth of the tunnel is?

No, but presumably near blue circled area as indicated by the OP.

lozz
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8 years ago

#36

Just to be clear on the Carclew pond (reservoir) and its water wheel, the reservoir's Northern bank on the OS map is a dam, between it's edge and the start of the discharge/overflow stream is the waterwheel and it's relevant workings, In the photo in Morlock's link the dam is just off picture to the right, the feed pipe (race) at the top of the waterwheel pokes into and through the dam to the right, the waterwheel drove a water pump, so far as I can remember the pump supplied water to the estate back in the day. Off and on I spent a couple of months doing some work on it moons ago, late 1970's early 1980's...ish.

Lozz.

lozz
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8 years ago

#37

"Morlock" wrote:
Top LH corner shows an aqueduct?

http://maps.nls.uk/view/105995737

Further speculate there could also be a tunnel for draining the pond?

The aqueduct will be the feed race, it was a pipe when I was working on it but there might have been a timber or masonry based one there originally but that's just speculation on my part.

The Carclew pond is nearer Perranaworthal than Mylor.

Is the "adit" near Carsawsan?

Lozz.

Morlock
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8 years ago

#38

"lozz" wrote:
Is the "adit" near Carsawsan?

Lozz.

Could be, all depends on what the OP considers close.

"Close but not in the circle. Good speculation."

Morlock
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8 years ago

#39

There is a 'well' at Carsawsan.

🔗112811[linkphoto]112811[/linkphoto][/link]

Jack Tempest
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8 years ago

#40

Thank you everyone for your help and time you've invested in my question. I'm impressed with the deductive logic, and thank you for uploading the maps and documents. It's sounding as if it's a relatively insignificant and probably stand alone feature. I hadn't connected the water wheel with it because it is a long way off and the pond isn't completely aligned but theoretically this stream could have supplied it, although it's barely a trickle right now. Exploratory mining has been mentioned and that was the answer the vendor gave when we bought the house. What's most impressive is the length of that tunnel to reach water. Did they know they would intercept it? It seems a random place to site it.

Anyone in the area is welcome to pop around for an inspection and a cuppa. There are a few bumps and lumps in the area which still hold a few secrets.