| File Name | Size | Date | |
 | Basic_Machines_And_How_They_Work_1999.pdf | 13695 KB | 10/6/1999 |
| Nuts_And_Bolts_Sizes_2002.pdf | 201 KB | 12/13/2002 |
| Plans_For_Making_Machines_VITA_Technical_Bulletin_25-31_1970.pdf | 2990 KB | 10/2/2009 |
| Simple_Working_Models_Of_Historic_Machines_1968.pdf | 3118 KB | 9/1/1999 |
| Things_To_Make_From_Gutenberg_Library_2005.pdf | 11431 KB | 7/26/2006 |
| Torque_Of_Nuts_Bolts_Facom_Catalogue_France_1960.pdf | 1087 KB | 11/24/2002 |