Coast and geodetic survey develops new signal lamp.
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| Title: | Coast and geodetic survey develops new signal lamp. |
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| Authors: | Colbert, L. O. |
| Source: | Civil Engineering (08857024); August 1942, Vol. 12, p458-458, 1p |
| Database: | Applied Science & Technology Source |
| ISSN: | 08857024 |
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