Direct recording and reproducing materials for disk recording / by A. C. Keller

• Superior document: Bell telephone system B-998
• VerfasserIn: Keller, A. C.
• Place / Publishing House: New York, NY : Bell Telephone Laboratories, 1937
• سنة النشر: 1937
• اللغة: English
• سلاسل: Bell telephone system B-998
• وصف مادي: 16 S.; graph. Darst.; 23 cm
• ac_no: AC11429820
• Hierarchical level: Monograph
• Statement of Responsibility: by A. C. Keller