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I have a Warren Knight Sipe-Sumner Compass #19372 that I am selling. It comes with a wooden box in good shape with a new foam insert. Also comes with a Warren night aluminum tripod. WK 19-300
This is the compass that Henry Sipe talked about in the end of his book Compass Land Surveying. They are extremely functional and are a good way to run rough flagged boundaries or retrace a magnetic line.
There is a declination adjustment that allows you to dial in so you can use it in any bearing system.
Nice toy!! Hard to find!
Let me know if anyone is interested.
Posted : April 10, 2024 12:50 am
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How long for the needle to settle?
Posted : April 13, 2024 8:13 am
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How much you looking for?
Posted : April 14, 2024 6:59 am
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Thinking $800 but you can make an offer.
Are you in Newland NC?
Posted : April 17, 2024 10:48 am
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I’ll get it out in my field and give it a 90 degree test and let you know.
Posted : April 17, 2024 10:49 am
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Tested this afternoon and the needle settles in about 25-35 seconds and has a deviation of about 1/2 degree. As a comparison my other Sipe compass settles in about 65-75 seconds and has a deviation of about the same 1/4 to 1/2 degree. It’s hard to quantify because this is the smallest graduation on the compass.
I was thinking the needle was stronger on the one that settled quicker so I tuned up my second one, weight balanced the needle and used a lodestone on the needle… but it was still slow to settle. So may that pivot is a bit sharper…
Hope that answers your question.
Posted : April 21, 2024 11:10 am