Dave's slide rules - Guestbook

     Home          Slide Rules          Accuracy          Linear          Circular          Cylindrical          Eximius Diu          Guestbook




I've closed the Guestbook for now (Oct 2013).
Many thanks to those who left comments previously - some of the comments are listed below...


Name Comments
9) Dave USA
Upper MidWest
Wed, 24 April 2013 02:49
I greatly enjoyed your site, I used a slide rule in high school to multiply and divide, never had to learn to use other scales. Used my summer earnings, all of it, to buy an HP35, as college freshman. It was my secret weapon, as even the profs. did not have one and did not realize how powerful it was. I squeaked through a few basic physics and engineering classes, saw the light and switched majors to biology, and never had to do difficult calculation again. Still your site brought back a lot of memories. I also remember Fortran, punched cards, up all night at computer center when batch processing was cheap, and amazement at how "small" a PDP8 was when they first came out.
8) Ed Chamberlain
edwin_chamberlain(at)valley(dot)net, Hanover Ctr., NH, USA
Mon, 21 Jan 2013 17:00
Dave, This is a very impressive accomplishment. I have long been collecting and keeping a tally of long scale slide rules. I look forward to adding yours to my list, and making a working model. Also I commend you on differentiating between precision and accuracy. As a civil engineer I am flummoxed by these words being used interchangeably. Just like "dirt" for "soil" and "cement" for "concrete", our English language gets muddled. Keep up the good work, Ed chamberlain
7) Ron Blauch
ronbo717(at)yahoo(dot)com, Harrisburg, Pennsylvania, USA
Mon, 7 January 2013 13:05
Thanks for creating your site. Fine examples of slide rules and informative.
6) Bob Adams
bobdi50(at)gmail(dot)com, Adelaide
Mon, 7 Jan 2013 03:45
Hi Dave, great site. I'm from Adelaide but get to Sydney quitre often, would be good to catch up sometime for some sliderule chat!! cheers Bob
5) Fred Stahl
fastahl(at)gmail(dot)com, Lake Tahoe Nevada USA
Wed, 2 Jan 2013 05:52
Great start. Keep up the good work.
4) Ted Hume
tedhume(at)zipnet(dot)us, San Angelo, Texas
Tue, 18 Dec 2012 01:16
Hi Dave --- Very nice site! Thanks for sharing your rules with us. Please take a look at the Oughtred Society www.oughtred.org I think you would enjoy being a member! Best to you, Ted
3) Ray Petri
ray(dot)petri(at)btinternet(dot)com, Kent-UK
Fri, 14 Dec 2012 06:16
Hi Dave - This site looks good - very clear and well laid out. Look foreward to more slide rule content being added. Regards Ray
2) Anthony Nevett
New Zealand
Thu, 13 Dec 2012 23:22
Hi, Just found your Slide rule site, looking forward to the finished links. I put a note about it at the International Slide Rule Group as well
1) Dave Hoyer
Sydney, Australia
Thu, 30 Aug 2012 02:25
Welcome to my slide rule guestbook...



The Oughtred Society.. www.oughtred.org

Eric's Slide Rule Site.. www.sliderule.ca

Slide Rule Museum.. sliderulemuseum.com

Derek's Virtual Slide Rule Gallery - clickable simulated slide rules.. www.antiquark.com/sliderule/sim/index.html

Nathan Zeldes' History of Computing.. www.nzeldes.com/HOC




  Copyright © 2013, Dave Hoyer.