tag:blogger.com,1999:blog-21675608.post1417646108960492741..comments2024-03-04T04:00:56.272+13:00Comments on DMP - Dave's Mechanical Pencils: Lead ShapeKiwi-dhttp://www.blogger.com/profile/04092604091185842213noreply@blogger.comBlogger8125tag:blogger.com,1999:blog-21675608.post-13784655964161392122013-11-09T07:00:19.652+13:002013-11-09T07:00:19.652+13:00Mechanical pencils with square leads are VERY much...Mechanical pencils with square leads are VERY much alive and well ...http://www.bing.com/search?q=mechanical+pencil+with+square+lead&form=APIPA1KateGladstonehttps://www.blogger.com/profile/07062492442607584456noreply@blogger.comtag:blogger.com,1999:blog-21675608.post-59613153571831850462009-04-12T12:44:00.000+12:002009-04-12T12:44:00.000+12:00Thanks DAVE!Thanks DAVE!Stevenoreply@blogger.comtag:blogger.com,1999:blog-21675608.post-91944155995804581152009-04-12T08:00:00.000+12:002009-04-12T08:00:00.000+12:00Hi Steve. Well you will probably have to experimen...Hi Steve. Well you will probably have to experiment. Square leads were the minority. Use a magnifying glass and look at the hole in the tip of your pencil. If it looks squarish, or like a circle that then got its sides squashed a bit squarish then you have your answer as to what lead it takes. If the whole is round then it will probably be 0.9mm or 1.18mm lead. You should find modern 0.9mm in a Kiwi-dhttps://www.blogger.com/profile/04092604091185842213noreply@blogger.comtag:blogger.com,1999:blog-21675608.post-3157784056601960592009-04-12T07:33:00.000+12:002009-04-12T07:33:00.000+12:00Hi Dave,It's been more than 2 years since your las...Hi Dave,<BR/><BR/>It's been more than 2 years since your last comment here but I have a question about my vintage eversharp pencil that I gotta ask so hopefully you'll see this. Story is I just bough a vintage eversharp not very dissimilar to the one in the picture above. The question is, I've run out of leads and I don't know what kind of leads (specifically, lead size/shape) to buy. I see Stevenoreply@blogger.comtag:blogger.com,1999:blog-21675608.post-67751911758773449332006-10-17T19:39:00.000+13:002006-10-17T19:39:00.000+13:00Hi Jack
Fair enough. I’ll certainly take your word...Hi Jack<br />Fair enough. I’ll certainly take your word for it when it comes to architectural drawing. However for mechanical engineering drawing I can only say that I was taught very differently. Variable line thickness was not acceptable, etc.Kiwi-dhttps://www.blogger.com/profile/04092604091185842213noreply@blogger.comtag:blogger.com,1999:blog-21675608.post-15359578307604183182006-10-17T18:28:00.000+13:002006-10-17T18:28:00.000+13:00As an architect who has used a great number of dif...As an architect who has used a great number of different pencils and leads, I should advise you that while pens are held perpendicularly to the paper, pencils are often not. Indeed they are often dragged at an angle and are rotated to keep a consistant thickness (otherwise all lines would be the thickness of the lead diameter - and that would be a bad thing). A good draftsman can draw the finest Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-21675608.post-21872685936525737912006-10-17T17:19:00.000+13:002006-10-17T17:19:00.000+13:00Hi Dennis
Thanks for these extra bits, very intere...Hi Dennis<br />Thanks for these extra bits, very interesting, particularly the triangular lead. When I thought about triangular lead I just assumed equilateral, but their scalene triangle idea makes sense. Still, I wonder who the intended market was? I guess it didn’t work out seeing they stopped production. No disrespect to carpenters, but it seems a bit over the top for them. The traditional Kiwi-dhttps://www.blogger.com/profile/04092604091185842213noreply@blogger.comtag:blogger.com,1999:blog-21675608.post-90510391422357937652006-10-17T05:10:00.000+13:002006-10-17T05:10:00.000+13:00Man, I love this blog.
I have a few curiosities t...Man, I love this blog.<br /><br />I have a few curiosities to add to your very interesting lead shape discussion. The first relates to drafting pencils. In the days before the polymer-based micro thin leads were developed, there were attempts at achieving such micro-thin lines with ribbon shaped lead. One pencil of this type was the <a href="http://www.leadholder.com/lh-draft_fc_9600.html">Faber Shockbetonhttps://www.blogger.com/profile/12207452112171168396noreply@blogger.com