A manual on the hydraulic ram for pumping water.
| Glavni autor: | |
|---|---|
| Format: | Knjiga | 
| Jezik: | English | 
| Izdano: | London
          Intermediate Technology
    
        c1982. | 
| Teme: | 
| Glavni autor: | |
|---|---|
| Format: | Knjiga | 
| Jezik: | English | 
| Izdano: | London
          Intermediate Technology
    
        c1982. | 
| Teme: |