This is to inform you that the auction to sell my late father's extensive collection of slide rules has ended.The collection has been sold to a well known and active ...

Hi it is considerable simple, if taking to issues in mind.  ...

Yes - I've been trying variants too - it's not that straightforward, as it turns out.Regards, Jerry McCarthy, U.K. ...

I was intrigued, too.  So I tried it out for a 12-5-13 triangle, which requires a bit of adaptation.I think the key to understanding it is to know that the ...

PS: Maybe as backgound if not said by Wolfgang Bode: Rietz was the basic slide rule for civil engineers. ...

Hi Jerry, if it is about how to solve triangels by emulated H and ...

Many thanks, Eamonn!Regards, Jerry. ...

Hi Jerry, The figure can be found on the back of many Faber Castell 1/87 and 111/87 slide rules. Here are several examples from the ISRM: https://www.sliderulemuseum.com/Faber/S169_Faber-Castell_1-87_early.jpg https://www.sliderulemuseum.com/Faber/AW_Faber_1-87_SystRietz_dc43-8_DonatedByRaymondDuBois.jpg https://www.sliderulemuseum.com/Faber/Faber_111-87_Rietz_dc467_GiftOfLeroyHauslerCollection.jpg Best regards, Eamonn

I was intrigued by Wolfgang Bode's talk yesterday, but I think I might have been dozing off as I missed some of the salient points.I wonder if anybody could point ...

One more thing ... I just noticed my 101-C doesn't match any of the three variants at https://www.sliderulemuseum.com/Pickett.htmThe logo has italic Pickett in the triangle and circle like variant 3, but with ...

Right, what Dean said.John, you asked for date info, too.  I don't recall if you found and reported on that already in your talk, but in case you didn't see ...

Rod:Dick set this to the entire io slide rule world (‘crowd sourcing”) which included you, me and a zillion others.Dean

Hi Dick,You sent this to the wrong person!Regards,Rod

John, Thanks for your talk today on "Where are the Gilson Clones?" at the virtual Oughtred Society meeting.  Very  interesting and well researched.  I mentioned yesterday that I'm making an ...

Hello,I would like to thank everyone who has sent in a bid for the sale of the collection of my father Georg Schreiber. This is to inform all of you that ...

Another correction:  I'm sure that several of you noted that the pictures and texts on the verse of the Plastograf stadia rule ar not instructions but a set of ...

Hi tio all, I think all of you, except me, saw the name of the manufacturer in the photo of the back of the unknown topographic ruler that I put ...

Hi to all, I added two pictures on the albul of the Octolog 11-D showing the clever construction of the rule to allow remove/place again the cursor.Best regards,João Roberto 

Hi Dave,very thanks for the answer. Well, have made the unsubscription in the email option, but  sometimes this method doesn't work. Let's ...

Joao,Same way as you un-subscribe from any list. In an e-mail received in you corporate click on the “unsubscribe” link.Dave