Technology and the mineral industries Mineral technology and output per man studies : grade of ore Mineral technology and output per man studies : rock drilling Mechanization trends in metal and nonmetal mining as indicated by sales of underground loading equipment

著者

• National Research Project on Reemployment Opportunities and Recent Changes in Industrial Techniques (U.S.)

書誌事項

Technology and the mineral industries . Mineral technology and output per man studies : grade of ore . Mineral technology and output per man studies : rock drilling . Mechanization trends in metal and nonmetal mining as indicated by sales of underground loading equipment

. . .

（Report, E-1, E-6, E-11, E-3 . Mineral technology and output per man studies）

Work Projects Administration, National Research Project, 1940

収録内容

• Technology and the mineral industries / by F.G. Tryon ...[et al.]
• Mineral technology and output per man studies : grade of ore / by Andrew V. Corry and O.E. Kiessling
• Mineral technology and output per man studies : rock drilling / by C.E. Nighman and O.E. Kiessling
• Mechanization trends in metal and nonmetal mining as indicated by sales of underground loading equipment / by L.N. Plein, F.E. Berquist, and F.G. Tryon

詳細情報

• NII書誌ID(NCID): BA84523344
• LCCN: 41020640
• 出版国コード: us
• タイトル言語コード: eng
• 本文言語コード: eng
• 出版地: Philadelphia
• ページ数/冊数: 4 v. in 1
• 大きさ: 26 cm
• 分類:
  • LCC : TN275
• 件名:
  • LCSH : Mining machinery
  • LCSH : Miners -- United States
  • LCSH : Ores -- United States
  • LCSH : Rock-drills
  • LCSH : Mineral industries -- United States
• 親書誌ID:
  • BA32132344