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Mine Exploration Forum

Author ET Newton Theodolite Camborne
Knocker

Joined: 17/06/2008

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ET Newton Theodolite Camborne
Posted: 03/11/2012 19:00:23
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If anyone here is interested, we are currently selling an ET Newton (Camborne) Miners Theodolite from about 1900, On E Bay.

To be honest I'm gutted that we are selling it, as I think its an amazing bit of kit!

http://www.ebay.co.uk/itm/251177901242?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649
IP: 90.221.39.40
Trewillan

Joined: 21/02/2012

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ET Newton Theodolite Camborne
Posted: 04/11/2012 00:46:03
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Knocker wrote:

If anyone here is interested, we are currently selling an ET Newton (Camborne) Miners Theodolite from about 1900, On E Bay.

To be honest I'm gutted that we are selling it, as I think its an amazing bit of kit!

http://www.ebay.co.uk/itm/251177901242?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649


Very interesting. Where was the Newton factory? The Cross Street premises shown surely not big enough.
IP: 87.114.106.234
derrickman

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Joined: 18/02/2009

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ET Newton Theodolite Camborne
Posted: 04/11/2012 06:48:14
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found this while researching E T Newton, looks like an interesting read for a long trip sometime http://www.ebooksread.com/authors-eng/dumbar-d-scott/evolution-of-mines-surveying-instruments--comprising-the-original-paper-of-m-hci.shtml

Whether they were Newtons I have no recollection, but certainly the use of external vernier transit theodolites was still included in the CSM survey course in the early 1970s. So was the use of external telescopes for steep sights.

miffed to see this http://www.ebay.co.uk/itm/Wild-Heerbrugg-Wild-T2-1-Theodolite-Antique-Survey-Surveying-Tool-1956-1972-/180853868749 .. I sold mine for a few hundred pounds in the mid-90s as being obsolete and of no further use!

--

''the stopes soared beyond the range of our caplamps' - David Bick...... How times change .... oh, I don't know, I've still got a lamp like that.
IP: 86.30.241.199 Edited: 04/11/2012 06:50:31 by derrickman
Knocker

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ET Newton Theodolite Camborne
Posted: 04/11/2012 09:29:53
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Very few sell for over £1000 (There was a lovely 19th century fennel a few weeks ago that sold for £3800) - so I would say he's got no chance! Mind you he may say that about our BIN!

With regards to the works, yes the cross street premises were the entire Wilton works, which I find absolutely astounding! I don't know if there was more to the building back then. For comparison there is an American Buff theodolite from the 1930's on E Bay at the moment, with a picture of their works, which is a large 3 storey factory.
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Trewillan

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ET Newton Theodolite Camborne
Posted: 04/11/2012 10:37:58
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Knocker wrote:

....With regards to the works, yes the cross street premises were the entire Wilton works, which I find absolutely astounding! I don't know if there was more to the building back then....


Thanks for that, it must have been a hive of activity in there! Building could extend back a long way off the street, I'll have a look at Google maps, but as you say, still modest premises.

Derrickman mentions more modern vernier theodolites. These would probably be made by the big names, Hilger and Watts, Stanley, Cooke Troughton and Simms.

I think Hilger and Watts were still making vernier instruments in the 1960's. CTS became part of Vickers Instruments. don't know what happened to Stanley, this isn't Stanley Tools BTW.

Still a few of the old names around doing optical stuff for the Defence market, so probably not working from a flat above a newsagents!
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Trewillan

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ET Newton Theodolite Camborne
Posted: 04/11/2012 10:48:01
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derrickman wrote:

miffed to see this http://www.ebay.co.uk/itm/Wild-Heerbrugg-Wild-T2-1-Theodolite-Antique-Survey-Surveying-Tool-1956-1972-/180853868749 .. I sold mine for a few hundred pounds in the mid-90s as being obsolete and of no further use!


Don't worry, £3000 is optimistic, saw this listed a couple months ago and it didn't sell. And the Tribrach is missing - so it isn't actually in "good working order" as described, its unusable until you've spent another £100 or so.

You can now buy a basic Total Station for not much more than £3000. The last T2's were about £7500 list price twenty odd years ago.
IP: 87.114.106.234
Trewillan

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ET Newton Theodolite Camborne
Posted: 04/11/2012 10:56:00
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Knocker wrote:

With regards to the works, yes the cross street premises were the entire Wilton works, which I find absolutely astounding! I don't know if there was more to the building back then.


Just had a look at Google Maps, no rear extension or outbuildings, so that really is amazing. Some parts could have been made elsewhere, with final assembly at Cross Street, but not necessarily.

With that history, I'm surprised Kerrier never demolished the place.
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derrickman

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ET Newton Theodolite Camborne
Posted: 04/11/2012 19:02:03
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my T2 cost at least £1800, second hand, in the early 80s. I had a set of 90 degree eyepieces, short focus lenses down to 600mm focal length and a perpendicular prism that fitted over the front lens and gave a 360 degree view around the plane square to the telescope - used it for setting out cast-iron tunnel rings at Angel Station among other places.

I even had the DI4 EDM, total cost was around £3000, a lot of money for the time but it was a hard-working piece of kit.

--

''the stopes soared beyond the range of our caplamps' - David Bick...... How times change .... oh, I don't know, I've still got a lamp like that.
IP: 86.30.241.199
Knocker

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ET Newton Theodolite Camborne
Posted: 04/11/2012 21:03:47
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There's another Wild T2 been listed in Germany tonight - starting at £280. IP: 90.221.39.40
derrickman

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ET Newton Theodolite Camborne
Posted: 04/11/2012 21:30:27
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got a link for it?

--

''the stopes soared beyond the range of our caplamps' - David Bick...... How times change .... oh, I don't know, I've still got a lamp like that.
IP: 86.30.241.199
Knocker

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ET Newton Theodolite Camborne
Posted: 04/11/2012 21:34:18
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http://www.ebay.co.uk/itm/Original-altes-WILD-HEERBRUGG-THEODOLIT-mit-viel-Zubehor-/190749913568?_trksid=p5197.m1992&_trkparms=aid%3D111000%26algo%3DREC.CURRENT%26ao%3D1%26asc%3D14%26meid%3D3230595640185230561%26pid%3D100015%26prg%3D1006%26rk%3D1%26sd%3D190749913568%26

Sorry my mistake its not a T2, its a weird contraption with what looks like a 45 degree scope.
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derrickman

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ET Newton Theodolite Camborne
Posted: 04/11/2012 21:38:43
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Trewillan wrote:

derrickman wrote:

miffed to see this http://www.ebay.co.uk/itm/Wild-Heerbrugg-Wild-T2-1-Theodolite-Antique-Survey-Surveying-Tool-1956-1972-/180853868749 .. I sold mine for a few hundred pounds in the mid-90s as being obsolete and of no further use!


Don't worry, £3000 is optimistic, saw this listed a couple months ago and it didn't sell. And the Tribrach is missing - so it isn't actually in "good working order" as described, its unusable until you've spent another £100 or so.

You can now buy a basic Total Station for not much more than £3000. The last T2's were about £7500 list price twenty odd years ago.


strictly speaking, the tribrach was an extra. There were variants with or without optical plummet, ball-centring and pedestal mounts http://www.wild-heerbrugg.com/theodolites2.htm in addition to adapters for Kern type tripods.....

--

''the stopes soared beyond the range of our caplamps' - David Bick...... How times change .... oh, I don't know, I've still got a lamp like that.
IP: 86.30.241.199
derrickman

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ET Newton Theodolite Camborne
Posted: 04/11/2012 21:54:39
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Knocker wrote:

http://www.ebay.co.uk/itm/Original-altes-WILD-HEERBRUGG-THEODOLIT-mit-viel-Zubehor-/190749913568?_trksid=p5197.m1992&_trkparms=aid%3D111000%26algo%3DREC.CURRENT%26ao%3D1%26asc%3D14%26meid%3D3230595640185230561%26pid%3D100015%26prg%3D1006%26rk%3D1%26sd%3D190749913568%26

Sorry my mistake its not a T2, its a weird contraption with what looks like a 45 degree scope.


It's a goniometer, I don't recognise the model. They are found in monocular ( as here ) and binocular models, with and without compasses. They have various military applications relating to rangefinding, signal interception and location of signals. I've never seen one in use.


--

''the stopes soared beyond the range of our caplamps' - David Bick...... How times change .... oh, I don't know, I've still got a lamp like that.
IP: 86.30.241.199
Trewillan

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ET Newton Theodolite Camborne
Posted: 05/11/2012 00:07:07
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derrickman wrote:

Knocker wrote:

http://www.ebay.co.uk/itm/Original-altes-WILD-HEERBRUGG-THEODOLIT-mit-viel-Zubehor-/190749913568?_trksid=p5197.m1992&_trkparms=aid%3D111000%26algo%3DREC.CURRENT%26ao%3D1%26asc%3D14%26meid%3D3230595640185230561%26pid%3D100015%26prg%3D1006%26rk%3D1%26sd%3D190749913568%26

Sorry my mistake its not a T2, its a weird contraption with what looks like a 45 degree scope.


It's a goniometer, I don't recognise the model. They are found in monocular ( as here ) and binocular models, with and without compasses. They have various military applications relating to rangefinding, signal interception and location of signals. I've never seen one in use.


Yes, a definite oddity there. From dark green paint on the case and tripod possibly something for Artillery? Also a similar arrangement on "Balloon Theodolites", used for tracking ascent of weather balloons.
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derrickman

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ET Newton Theodolite Camborne
Posted: 05/11/2012 07:57:55
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Using it to track balloons makes sense, it clearly is intended for measuring steep vertical angles. The additional eyepieces clipped to the base of the can look like filters for sunshots or near-solar observations, which would make sense in that context.

The two small black boxes with cables could well be lighting sets. T2s have no internal lighting - I always used a maglite for this - but the bracket on top of the telescope could well be for that, it makes no sense for it to be a Distomat clamp ( anyway it's the wrong shape ).

The inset compass would provide low-order horizontal circle readings; altogether I suppose that an instrument for tracking balloons would make sense.

Most Wild instrument cans are that colour.

The tripod may or may not be military - Wild tripods are usually red and yellow. I note that the case is marked in French and German. I'm unfamiliar with the outer case, it doesn't look like a Wild item but I could be wrong about that.



--

''the stopes soared beyond the range of our caplamps' - David Bick...... How times change .... oh, I don't know, I've still got a lamp like that.
IP: 86.30.241.199
ttxela

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Joined: 04/09/2007
Location: Cambs

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ET Newton Theodolite Camborne
Posted: 05/11/2012 16:47:48
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derrickman wrote:



miffed to see this http://www.ebay.co.uk/itm/Wild-Heerbrugg-Wild-T2-1-Theodolite-Antique-Survey-Surveying-Tool-1956-1972-/180853868749 .. I sold mine for a few hundred pounds in the mid-90s as being obsolete and of no further use!


Looks very similar to what we were sent out onto Petersfield with from CCAT in the late 80's. We caused a small fuss when we told an elderly lady walking her dog that we were setting out for an extension to the Queen Anne Terrace car park and she called the council to complain Blush
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