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| ◄ | Wood Cased Drawing Pencil Thumbnail Index |
 http://leadholder.com/wood-dietzgen.html#designo-3139 |
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production date origin available degrees |
1960s–1980s USA 6: HB, H, 2H, 3H, 4H, 6H |
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| see also |
Eugene Dietzgen Co. 1960 catalog, p 143 Eugene Dietzgen Corp., 1981 catalog, p 18 |
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