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john-nolton
@john-nolton
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Joined: July 2, 2010 6:08 pm
Topics: 27 / Replies: 536
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RE: Long Line Geodetic Inverse by P.D. Thomas

@bill93?ÿ Your way off Bill93. Looking at page 68 (Fig. 25) there is no S12 and S21. There is S (sub1) and an S(sub2). That's what?ÿDave Lindell wants...

4 years ago
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Replies: 28
Views: 3
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RE: Old Arizona Benchmarks

Hey MathTeacher; stay in your own state. We have enough trouble without you stirring the pot. The Tombstone Courthouse that you show a full picture o...

4 years ago
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RE: Brain teaser

@dave-lindell?ÿ True Dave but did you have to tell all? Great post on the problem?ÿDAVE. Hope you do more. JOHN

4 years ago
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RE: Brain teaser

@mathteacher?ÿ No cheating; Just very good research on your part. I now remember the P.S. article. Thanks again and I will let you know about what I ...

4 years ago
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RE: Brain teaser

@mathteacher Dave was in the cell next to Christopher Havens,????

4 years ago
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RE: FOR SALE Wild Heerbrugg T2,N3& accessories

Andy J?ÿ ;?ÿ its $6000 only if you want to pay that much.

4 years ago
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RE: Brain teaser

@mike-marks; I get for 13! 6227020800 and the square root as 78911.474450804681438 rounded in the last place. How do you get sqr(13!) as 3.8857880+e+...

4 years ago
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RE: Brain teaser

I get the same number as the MathTeacher?ÿ "35" JOHN NOLTON

4 years ago
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RE: Wild T-3 repair

@john-hamilton?ÿ?ÿThe post is talking about a T3; not the T2 If you want to talk about the Wild T2 theodolite then start a post and I might say some...

4 years ago
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RE: Wild T-3 repair

@john-hamilton I guess you are having trouble?ÿREADING my post Hamilton.?ÿPlease show me where I use the word?ÿEASILY. What I did say is "setting it...

4 years ago
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RE: Wild T-3 repair

Larry Scott & along?ÿ sorry for not getting back to you on the question of the index line on the T3 Theodolite. This is an easy fix. Please give ...

4 years ago
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RE: Wild T-3 repair

Are you talking about the index line? being off when you rotate the drum to 60 seconds? If its the index line that never lines up that is a easy fix....

4 years ago
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RE: Tunnel surveying

@gene-kooper?ÿ Gene I won't ask the name of the geodesist you talked with "BUT" a gyro (as in gyrotheodolite) determines astronomic azimuth NOT geodet...

4 years ago
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RE: Solar ephemeris

@larry-scott?ÿ I had not noticed that the mean sidereal time went above 60 sec as you?ÿposted above; but like I said I do get the same value to 3 pla...

4 years ago
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RE: Solar ephemeris

@charles-l-dowdell?ÿ ?ÿ ?ÿNot that I know of(?). When this covid-19 is over with we will do a Polaris shot and then Sun the next day. For Polaris you...

4 years ago
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RE: Solar ephemeris

@larry-scott?ÿ ?ÿthe Sun semi-diameter for 9 Jan 2021 is?ÿ16m 15.87 s and I get the same values you post above but my print out only gives 3 places t...

4 years ago
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RE: Solar ephemeris

Larry I have not looked at my MICA in years. With that being said you can find what you are looking for in?ÿ"The Astronomical Almanac " year xxxx. Yo...

4 years ago
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RE: World of Engineering Quiz: Twitter

@mathteacher?ÿ ?ÿ I remember a problem in the real world like you and your son had about a roll of paper. I used Calculus and measured the thickness ...

4 years ago
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RE: World of Engineering Quiz: Twitter

@holy-cow?ÿ ?ÿYour reading too much into the problem. Its more of a trick question to see if you?ÿ can use some?ÿLogic?ÿbefore you start looking at e...

4 years ago
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