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Some incredible surveying instruments

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dave-karoly
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Wild made a canvas backpack for carrying the bullet case instruments.


 
Posted : May 22, 2013 7:09 am
jlwahl
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There are two distincly different models of DKM2's around.

I have had a Kern DKM2AE for 30 plus years and also used others at work. The later models are the cats meow when it comes to design and of course superior optics.

They had two speed motions everywhere including zero set which was one of their improvements over the T-2. Later models also had the option of a Wild type base rather than the Kern Base. Kern also innovated automatic indexing vertical circle which was only incorporated into the T2 in it's final model 5 to 10 years later.

However when you say 'compact' I am wondering if the one you saw was one of the earlier models which I have also used extensively in the past. They were a very compact and light weight instrument on the kern base. They lacked the automatic vertical index and required you to align the ends of a bubble which you could see both ends of in a special prism. I have turned many hundreds if not thousands of angles with them. These are often on the surplus market and ebay.

The more modern model is more fully enclosed, more like a T-2 and probably similar in weight. The earlier one is probably distinguishable by the index level prism on one of the standards. I can probably find pictures on ebay if anyone is interested in the two types.

- jlw


 
Posted : May 22, 2013 9:10 am
Kent McMillan
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> However when you say 'compact' I am wondering if the one you saw was one of the earlier models which I have also used extensively in the past. They were a very compact and light weight instrument on the kern base.

Jerry, I'll post photos after I've retrieved the camera. I've been too busy to get back down there, but plan to this afternoon.


 
Posted : May 22, 2013 10:25 am
Tom Bryant
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if anyone is ever in St Louis, they should stop by our showroom and see our collection of Wild equipment. We sold it for 40 years....

We also have a large collection of older transits and compasses....levels...and have a bunch of old Trimble GPS equipment on display!


 
Posted : May 22, 2013 3:21 pm
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