On 7/24/21 9:21 AM, Rick - WA6NDR wrote: ...

(Moved to this new message thread from Pickett erratum.)> The endpoints of the LL0 scale are incorrectly labeled "e" on early examples of the K&E 4092-3.Thanks Maynard. I found a ...

Hi, Rick, I didn't receive emails from this group for awhile earlier in the ...

> This factoid may be of zero value, but it always interests me to see what slips by proofreaders.You described an error in Pickett-published instructions.  Coincidentally, I recently posted slide ...

Hi,the rules for multiplications and devisions which lead to a result on Dare quite known. So far however I did not come accross any book ormanual which teaches multiplations and ...

The N4 maybe belongs to these sliderules which look cool, but aren'tthen the favorite of some. A good question why. By sure on the one handside the material, but maybe ...

Unhappy that it rattled in the plastic liner! Maynard, I can understand that perfectly well, even at my well-past-teen age. Absolutely.My first sliderule was a birthday present. ...

Hi, Martin,My high school was very small and one teacher taught seventh grade elementary school and all the high school science and math classes. I valued his instruction and mentoring ...

Hi, Maynard, Thanks for that. I guess it would be an understatement to say that the N4 was very versatile.And Hartung's book seems worth looking at even if one ...

I notice that my copy of the Pickett manual "how to use dual base log log SLIDE RULES," by Professor Maurice L. Hartung and published by Pickett, has a minor ...

Hi, Martin,The fold is at 1 / (log(10)e).   Professor Maurice Hartung, in "how to use DUAL BASE LOG LOG SLIDE RULES," states that the fold is at 1/M where M ...

On Tue, Jul 13, 2021 at 08:37 AM, Maynard Wright wrote:The CF/m and DF/m scales are folded at 2.30.Maynard, Is that 1/0.43429 or 1/(log(10)e) ?Will have to add this ...

Hi, Andreas,Note that the scales on opposite sides of the N4 are folded at different values.  The CF/pi and DF/pi scales, on the trig side, are folded at pi as ...

Well say never never... On the Pickett N4 it is; they have folded scaleson both sides.Interestingly in general the old Picketts models 2 and 3 also combinedfolded scales with the ...

Hi, Andreas,The 1962 update of the Versalog manual includes the section on solving quadratic equations on pages 20 and 21.  The text seems identical to that of the earlier edition ...

Hi Meine, yes a good point, that on the Faber 2/83N DI is on the side of ...

I just took a quick look, saw that my Lafayette 99-7055 has a DI scale on one side and a CI scale on the other. It doesn't matter wether you ...

Hi, I found something in the K&E Decilon book (1962) about usage of DIscale for electrcal problems (p31ff); they write that if having aproblem of 1/(l*m*n) to calculate first l*m*n ...

Hello Andreas,Faber-Castell CASTELL-Rechenstab Lehrbuch : 14 editions9th - 194310th - 195012th - 196413th - 196514th - 1968I also have a 13th edition but with "Beleg-Exemplar + Korrekturen" written on the ...

Hi,for those interested: I think I am now through all my literature andfound the description in four sources, with only one of it in English:E. I. FIESENHEISER: THE VERSALOG SLIDERULE;  ...