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Messages 38801 - 38830 of 38830   Oldest  |  < Older  |  Newer >  |  Newest
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38801
I'd have to agree with John Mosand on this issue-- excluding Plastic rules would exclude all the really great post WWII European rules. As to what is a...
CTLPELWV@...
carbide01
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Feb 4, 2010
10:41 pm
38802
I've run into a temporary dead end, but so far what I've found out about "Prof EW Avery": 1. In the U of Minn school newspaper, his wife (listed as Mrs. E.W....
Hans E. Hansen
dino_and_sta...
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Feb 5, 2010
12:38 am
38803
Hans, you didn't describe the cursor. Did it have multiple hairlines -- particularly a short one covering the A scale? If so, this would have been a short cut...
sliderulenut
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Feb 5, 2010
4:38 am
38804
Thanks for the heads up on that. But, no, the cursor appears to be unmodified. I'm sure it's original, as one of the cursor end blocks is engraved in a...
Hans E. Hansen
dino_and_sta...
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Feb 5, 2010
5:31 pm
38805
Going on the possibility that my mystery markings might represent a conversion factor, I did a search. All I could find is that there are 1852 meters in a...
Hans E. Hansen
dino_and_sta...
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Feb 5, 2010
7:14 pm
38806
Hans, I looked at Panagiotis Venetsianaos' "Pocketbook of the Gauge Marks" published by the Oughtred Society. The two marks he suggest are 1.85 is 185% and the...
sliderulenut
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Feb 6, 2010
2:23 am
38807
Yes, yes. This is the only conversion factor that I have hit upon. 1852 meters to the nautical mile. As far as 185%? I'm not sure what that represents. A...
Hans E. Hansen
dino_and_sta...
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Feb 6, 2010
5:06 pm
38808
... FWIW, until 1954 the U.S. standard nautical mile was 6080.2 feet (1853.24 meters). In 1954 the U.S adopted the international nautical mile, defined to be...
Mark Armbrust
cadet1620
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Feb 6, 2010
10:00 pm
38809
If I could only have one or two, it would probably be My Hemmi P262 -- my first real slide rule a Sama & Etani Concise pocket circular rule, probably my ISRG...
Adam Coleman
acoleman
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Feb 6, 2010
10:02 pm
38810
If any of you looked up books on logarithms, you might have found the book, "Napier Tercentenary Memorial Volume." In 1914 there was a meeting in Britain...
housetrained@...
housetrained...
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Feb 6, 2010
10:07 pm
38811
Yes, this is probably the most likely explanation for the gauge points. I was hoping to find some constants of some sort in the agricultural world to further...
Hans E. Hansen
dino_and_sta...
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Feb 7, 2010
12:33 am
38812
Hi all, I need some input on who made the best vector slide rule so I can make an informed purchase. Best scale layout, best construction etc. I talked to one...
William Drylie
wldrylie
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Feb 7, 2010
12:34 am
38813
... I suspect that this is exactly what it is. If you had a seafarer who needed to work with maps from the Continent, they'd be in kilometres or metres, ...
David Smart
smartware_co...
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Feb 7, 2010
4:06 am
38814
Greetings, There are a lot of things we do on this list which may not be obvious to newcomers, and some of us veterans need reminders from time to time, too....
sliderule@yahoogroups...
Send Email
Feb 7, 2010
8:41 am
38815
Hi Bill, Go to: http://sliderules.lovett.com/extendedlitsearch.html and type "vector" without the quotes into the "keyword" position and then click on "Display...
Rod
rodlovett
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Feb 7, 2010
12:11 pm
38816
I have about 50 rules, but I like the way my magnesium Picketts feel. Once I had shot the frozen slides with WD40 and given a light coat of petroleum jelly,...
CarlS
carlstrange
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Feb 8, 2010
1:31 am
38817
Bill: Go to my website: hyperbolicsliderules.com There you will find an article about hyperbolic slide rules (vector slide rules) and a list of rules. The list...
Bill Robinson
gerwkr
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Feb 8, 2010
1:32 am
38818
Rod, Recently there appears to be a problem with the lit search on your site. Example, keyword "K&E": ...
hansmilton
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Feb 9, 2010
12:38 am
38819
I agree with Carl that the Pickett rules are hard to beat; the only problem I have with them is that the numbers, etc. are not engraved, and they will...
commanderusnr
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Feb 9, 2010
12:39 am
38820
... Napier's descendant, Dr. John Napier, is the 10th Baronet of that line. Like his ancestor, he is an engineer, working on problems arising from mining in...
dodecatheon.meadia
dodecatheon....
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Feb 9, 2010
12:40 am
38821
I'm not saying what my search criteria is, but today I looked at perhaps a bit more than a half dozen slide rules on Ebay. 4 had the slides in incorrectly, 1...
Hans E. Hansen
dino_and_sta...
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Feb 9, 2010
8:41 am
38822
... Fair enough. Once the auctions have ceased to be of interest to you, you might like to post their item numbers. I'd certainly be interested. Regards,...
David Smart
smartware_co...
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Feb 9, 2010
8:55 am
38823
Hi Hans, Sorry about that. During a minor upgrade, I inadvertently changed the permission on an important file. All OK now. Regards, Rod ... Regards...
Rod
rodlovett
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Feb 9, 2010
11:08 am
38824
... I received two Dietzgen 1734 Microglide SRs yesterday and both had their slides reversed (A/CF and DF/B). These came from two different sellers in...
JohnA
also_nc
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Feb 9, 2010
3:49 pm
38825
Well, it looks like it could be a slide rule. There is a cartoon with what looks like a slide rule sticking out of a pocket. The cartoon shows a man with a...
mathfogie
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Feb 9, 2010
3:54 pm
38826
... I can only imagine that the slide fell out while the rule was being packed and was reinserted improperly or, if it isn't that loose, the seller thought it ...
Maynard Wright
mngwright
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Feb 9, 2010
11:17 pm
38827
Like you, I've also received them with the slide in a different orientation from the auction photo. Either the photo was wrong and it was received corrected,...
Hans E. Hansen
dino_and_sta...
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2:23 am
38828
OK, here's an example: 310198792265 What kind of ding-a-ling would not see that it's upside down? On Tue, Feb 9, 2010 at 12:47 AM, David Smart...
Hans E. Hansen
dino_and_sta...
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6:13 am
38829
The 2010 World Championship Slide Rule Competition will be held at 2:00 pm on Saturday, March 13 at the DFW Airport Hotel (formerly the Ramada Hotel) in...
S Solberg
geared4speed
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6:28 am
38830
Indeed - and with a nice close-up too. ?! Wonder if the slide actually slides. Regards, Dave S ... From: "Hans E. Hansen" <hans.e.hansen@...> To:...
David Smart
smartware_co...
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8:47 am
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