Untechnical addresses on technical subjects /

محفوظ في:
التفاصيل البيبلوغرافية
المؤلف الرئيسي: Douglas, James, 1837-1918
التنسيق: كتاب
اللغة:English
منشور في: New York, : J. Wiley & sons; [etc., etc.] 1908.
الطبعة:2d. ed.
الموضوعات:
جدول المحتويات:
  • The characteristics and conditions of the technical progress of the nineteenth century.- The development of American mining and metallurgy, and the equipments of a training school.- Wastes in mining and metallurgy.-Some of the relations of railway transportation in the United States to mining and metallurgy.- Secrecy in the arts.