tag:blogger.com,1999:blog-1272688866536964117.post1899702060145148017..comments2024-03-27T11:12:16.999-07:00Comments on Backspace does not erase: Faber 1/54 (and how to take care of your slide rule)RobertGhttp://www.blogger.com/profile/01841652527282627317noreply@blogger.comBlogger5125tag:blogger.com,1999:blog-1272688866536964117.post-11630866278537862472020-10-31T09:27:52.013-07:002020-10-31T09:27:52.013-07:00Hmm, perhaps not D for Darmstadt. On reglasdecalcu...Hmm, perhaps not D for Darmstadt. On reglasdecalculo.com is shown a 1942 1/54 that has an M on the end-face... Hmmm...RobertGhttps://www.blogger.com/profile/01841652527282627317noreply@blogger.comtag:blogger.com,1999:blog-1272688866536964117.post-65450528095469857352020-10-26T08:27:10.417-07:002020-10-26T08:27:10.417-07:00Ha! Of course :-) Could imagine when stocks are ...Ha! Of course :-) Could imagine when stocks are stacked in the factory, makes it possible to tell Rietz and Darmstadt stocks apart. Was thinking too difficult (D&P used such letters for factory designations).<br /><br />We'll definitely settle on Plexiglass then :) Every company that invented a PMMA gave it a tradename, hadn't realised that R&H actually also sold into US at the time.RobertGhttps://www.blogger.com/profile/01841652527282627317noreply@blogger.comtag:blogger.com,1999:blog-1272688866536964117.post-88790206320279938882020-10-25T20:16:19.779-07:002020-10-25T20:16:19.779-07:00Isn't it likely that the 'D' stamped i...Isn't it likely that the 'D' stamped in the left end-face of the rule stands for Darmstadt?<br /><br />For what it's worth, as a lifelong North American, I've heard both "Plexiglass" and "Lucite," but "Plexiglass" much more often. John Cooperhttps://www.blogger.com/profile/13972579415280353259noreply@blogger.comtag:blogger.com,1999:blog-1272688866536964117.post-19247018846867354762020-10-25T04:22:36.331-07:002020-10-25T04:22:36.331-07:00Yes, it does work well to clean the celluloid surf...Yes, it does work well to clean the celluloid surface - perhaps an instance of what once was 'common knowledge' and now obsolete.RobertGhttps://www.blogger.com/profile/01841652527282627317noreply@blogger.comtag:blogger.com,1999:blog-1272688866536964117.post-82561224343323426222020-10-23T13:53:47.739-07:002020-10-23T13:53:47.739-07:00Nice slide rule.
I've used a soft eraser to c...Nice slide rule. <br />I've used a soft eraser to clean them at times.<br />Bill Mhttps://www.blogger.com/profile/14649212489891769390noreply@blogger.com