Walter H Jeffery eBooks
eBooks di Walter H Jeffery
Deep Well Drilling: The Principles and Practices of Deep Well Drilling and a Hand Book of Useful Information for the Well Driller. E-book. Formato PDF
Walter H. Jeffery
edizioni Forgotten Books collana , 2017
To the drillers of the United States and of Canada, the men who have developed modern practices of well drilling at home and abroad, this volume is respectfully dedicated.