Name | Last modified | Size | Description | |
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Parent Directory | - | |||
Pencil_Lead_Patents_2005.pdf | 2010-10-10 19:37 | 1.5M | ||
Pencil_History_2005.pdf | 2010-10-10 19:36 | 431K | ||
How_Pencils_Are_Made_2005.pdf | 2010-10-10 19:36 | 367K | ||
Pencil-2017.pdf | 2017-01-03 16:48 | 317K | ||
History_Of_The_Lead_Pencil_2005.pdf | 2010-10-10 19:36 | 108K | ||
Pencil_Making_2004.pdf | 2010-10-10 19:37 | 44K | ||