The principles of sound signalling,
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| OCLC: | 7779775 |
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| Main Author: | |
| Other Authors: | |
| Language: | English |
| Published: |
New York,
D. Van Nostrand,
1925.
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| Subjects: | |
| Format: | Monograph Note that CRL will digitize material from the collection when copyright allows. |
| Physical Description: | 4 p. ̋., 139, [1] p. diagrs. 23 cm. |
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