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Non-Drafting Leadholder Thumbnail Index |
direct link http://www.leadholder.com/lh-non-unkwn-slate_holder.html |
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| courtesy Laurie Schmidtke collection | ||
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purpose lead diameter mechanism composition variations production date origin |
slate board marking ~3 mm, slate twist lock clutch wooden barrel with metal clutch unknown (circa 1900s to 1930s) (USA) |
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| special features | |||
| see also | Eberhard Faber 612 slate board marker |



| © 2001 to 2008 Dennis B. Smith |
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