Thanks Dean!I’ll look into shrink rods, to see if I can find similar ones.  Much appreciated. 

Not sure, but these might be shrink rods, for getting up castings in a foundry to account for shrinkage of the melt.One might be for cast iron, the other for ...

Hi all.This isn't about slide rules as such. It is about rules though. I have these two elderly wooden non-slidey rules that I don't recognise - and I'm hoping some ...

Thank you for that Pete.  I'm a RF engineer and an amateur radio operator (since age 11) that greatly enjoys learning the history of the profession (craft?).  As soon as ...

Thanks, Pete, for sharing that interesting read!Mike Markowski

An unexpected return to a previous existence,,seehttps://sliderules.lovett.com/cookiedev/extendeddisplayarticle.cgi?match=peterm.hoppc.eng.m.b.c.s.xxxsliderulegazette.issue2autumn2001pg73.1.jpgCheerspete

Somewhere I have a cardboard slide rule similar to your AEL one.  I think mine was handed out by Celwave.   I actually used it quite a bit as it was ...

Hey all, I have been MIA on this group for quite ...

I bought a K&E Mannheim Slide Rule manual from a woman who said it was her Father's. His name is Lt. Col. ...

The very first one in my collection - back in 1989 - I found in a pawn shop in Iowa on a visit to the USA (from Australia).On it was ...

A very interesting story!  I have tried to research some of the names on slide rules in my collection but have not had any success.Paul Huff

I like when I find a nice slide rule with a name on it, and then looking into its history.  Here's a short article I wrote up about a 1944 ...

Speaking of the REISS Elektro, mine too (arrived today, "freshman" 412 - M7) has small pins that prevent the cursor from hitting the brackets and has a cardboard box. It ...

Hello all.I only have a couple of Gebr. Wichmann branded slide rules and both are early Faber models, a c1906 364 and c1906 368.  I notice that both have a ...

Hi, I looked whether there are other sources of information and came across: ...

https://groups.io/g/sliderule/files/1659296276660.jpg Hello. What information do you have about this Aristo model?   Regards. Carlos

The following files and folders have been uploaded to the Files area of the sliderule@groups.io group. /1659296276652.jpg /1659296276657.jpg /1659296276660.jpg By: caabco <abelleiraco@...> Description: Aristo 966

Hi Peter,of course I know this. About the non alpha numeric date codes only thissentence is stated:"Up to about 1959 dates were included in the manufacturing code as anumber after ...

Hello AndreasJust past this search string into Google,:mike konshak slide rule dates and time linesBest regardsPeterAm 31.07.2022 20:19 schrieb Andreas Poschinger <andreas.poschinger@...>:

Hi Karl,a small email about the number scheme and when the factories werefounded would be fine if you had time now!Interesting maybe especially what the second number would mean; in ...