The Leadhead's Pencil Blog
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Showing posts with label
Tubit
.
Show all posts
Showing posts with label
Tubit
.
Show all posts
Saturday, July 17, 2021
Maybe a Threebit
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This article has been included in The Leadhead's Pencil Blog Volume 7, now available here . If you don't want the book but you enjo...
Wednesday, December 7, 2011
A Two-Bit Mystery Finally Solved!
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One of my early exhibits at the Mechanical Pencil Museum displayed the "Tubit," shown here in both ringtop and full size models . ...
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