The type of windpump discussed in this book is known as a multi-blade direct drive windpump.
47 Pages, illustrations
Maelezo ya Uchapishaji
- Limechapishwa: 1994
 - Mchapishaji: Machine Conversation
 - ISBN-10: 1870653297
 - ISBN-13: 978-1870653299
 - Dewey Decimal: 621.25
 - Maktaba ya ECHO: 621.25 BAR