Author: Alfred Seabold Eli AckermannPublisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 160
Book Description
Coal-cutting by Machinery in America
Author: Alfred Seabold Eli AckermannPublisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 160
Book Description
Coal-Cutting by Machinery in America, Etc. [With Illustrations.].
![Coal-Cutting by Machinery in America, Etc. [With Illustrations.]. PDF](https://books.google.com/books/content/images/frontcover/BNoRPAAACAAJ?fife=w80-h100)
Author: Alfred Seabold Eli AckermannPublisher:
ISBN:
Category :
Languages : en
Pages : 132
Book Description
Coal-cutting by Machinery in the United Kingdom
Author: Sydney Ferris WalkerPublisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 160
Book Description
Modern Methods of Producing Coal
Author: Sullivan Machinery CompanyPublisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 168
Book Description
American Standard Recommended Practice for Drainage of Coal Mines (M6.1-1955, UDC 622.5)
Author: American Standards AssociationPublisher:
ISBN:
Category : Coal
Languages : en
Pages : 448
Book Description
Permissible Coal-cutting Equipment Approved Prior to July 1, 1932
Author: L. C. IlsleyPublisher:
ISBN:
Category : Coal-mining machinery
Languages : en
Pages : 136
Book Description
Coal-Cutting by Machinery
Author: James Stephen JeansLongwall Coal Cutting Machinery
Author: George Fraser Fitzgerald EagarPublisher:
ISBN:
Category : Coal-mining machinery
Languages : en
Pages : 140
Book Description
Low Productivity in American Coal Mining
Author: United States. General Accounting OfficePublisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 168
Book Description
Author: