tag:blogger.com,1999:blog-1272688866536964117.post2797242889507076002..comments2024-03-27T11:12:16.999-07:00Comments on Backspace does not erase: Aristo Nr. 99RobertGhttp://www.blogger.com/profile/01841652527282627317noreply@blogger.comBlogger4125tag:blogger.com,1999:blog-1272688866536964117.post-45805398374712415372016-03-03T05:20:13.294-08:002016-03-03T05:20:13.294-08:00Well that would be batch 8 of 1944, made commercia...Well that would be batch 8 of 1944, made commercially for Messinstitut Klawun of Berlin.<br />Do have a look at the the excellent article by Hans Dennert at the Oughted Society; <a href="http://sliderulemuseum.com/Papers/V06.1_p04-14.pdf" rel="nofollow">DENNERT & PAPE and ARISTO Slide Rules 1872 - 1978</a>RobertGhttps://www.blogger.com/profile/01841652527282627317noreply@blogger.comtag:blogger.com,1999:blog-1272688866536964117.post-54725436667163969662016-03-02T13:39:56.681-08:002016-03-02T13:39:56.681-08:00Have slide with Dennert & Pape, Hamburg-Altona...Have slide with Dennert & Pape, Hamburg-Altona. System rietz.On end it has d & p circle symbol over Aristotle Nr 99 k. On back is 448. Box has stamp label with 4 April 1945 also with red d & p symbol. Also German Joe Klawun label. Can make sense of this for me? Thank you.lady bughttps://www.blogger.com/profile/15660179408466910558noreply@blogger.comtag:blogger.com,1999:blog-1272688866536964117.post-42870369029772963212015-12-08T11:00:58.865-08:002015-12-08T11:00:58.865-08:00:-)
Actually never used a circular. They're i...:-) <br />Actually never used a circular. They're impressive bits of human ingenuity! <br />RobertGhttps://www.blogger.com/profile/01841652527282627317noreply@blogger.comtag:blogger.com,1999:blog-1272688866536964117.post-12412046256402997252015-12-07T15:29:32.861-08:002015-12-07T15:29:32.861-08:00I've enjoyed your sliderule collection. I used...I've enjoyed your sliderule collection. I used to have a circular sliderule.Joe Vhttps://www.blogger.com/profile/10679530650280030752noreply@blogger.com