| File Name | Size | Date | |
 | Extracted_Types_From_Wind_Pumping_A_Handbook_No-101_1989.pdf | 346 KB | 12/22/2009 |
| How_To_Construct_A_Cheap_Wind_Machine_For_Pumping_Water_1965.pdf | 1444 KB | 9/14/1999 |
| Pu500-Water_Water_Pumping_Low_Tech_Windmill_2001.pdf | 5820 KB | 1/4/2001 |
| Pump_Gearing_For_Small_Windmill_F_E_Powell_USA_1910.pdf | 65 KB | 4/29/2003 |
| Safety_Systems_For_Water_Pumping_Windmills_Kragten_1989.pdf | 2878 KB | 3/31/2003 |
| Sahores_Windmill_Water_Pump_1975.pdf | 6862 KB | 9/14/1999 |
| Selecting_Water-Pumping_Windmills_1978.pdf | 2341 KB | 9/15/1999 |
| Waterpumping_Windmill_Book_Nai_1982.pdf | 18226 KB | 6/26/2006 |
| Windpumping_Handbook_1987.pdf | 5744 KB | 9/16/1999 |
| Wind_Pumping_A_Handbook_No-101_1989.pdf | 31915 KB | 9/16/1999 |
| Wind_Rotation_To_Push_Pull_Pumping_Upper_Platform_And_Turntable_1975.pdf | 28 KB | 7/28/2003 |