The Leadhead's Pencil Blog
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Showing posts with label
Roller Rule
.
Show all posts
Showing posts with label
Roller Rule
.
Show all posts
Tuesday, June 19, 2012
The Only Thing I Accomplished That Day
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Here's a group of Roller Rule pencils, as illustrated at page 130 of The Catalogue. What's bugged me about the Roller Rule for a l...
Friday, February 3, 2012
Now I Understand What He Was Talking About
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A few months ago, a friend (I don't remember which one) emailed me with a question about the Roller Rule. He was getting ready to list...
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