Rapid record oscillograph in sound picture studies / by A. M. Curtis ; T. E. Shea ; C. H. Rumpel
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Superior document: | Bell telephone system B-644 |
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Place / Publishing House: | New York, NY : Bell Telephone Laboratories, 1932 |
Year of Publication: | 1932 |
Language: | English |
Series: | Bell telephone system
B-644 |
Physical Description: | 15 S.; Ill., graph. Darst.; 23 cm |
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ac_no: | AC11687181 |
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Hierarchical level: | Monograph |
Statement of Responsibility: | by A. M. Curtis ; T. E. Shea ; C. H. Rumpel |