Roberts radio current meter, mod II, operating manual /
| Main Author: | |
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| Corporate Author: | |
| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington, D.C. :
The Survey,
1950.
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| Edition: | Rev. |
| Subjects: |
| Item Description: | Title fom cover. |
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| Physical Description: | 31 pages, 1 folded leaf : illustrations ; 26 cm. |