| [REPORT "ENGINEER INTELLIGENCE SUMMARY NO. 46"] |
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| [REPORT "ENGINEER INTELLIGENCE SUMMARY NO. 45"] |
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| [REPORT "ENGINEER INTELLIGENCE SUMMARY NO. 44"] |
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| [REPORT "ENGINEER INTELLIGENCE SUMMARY NO. 43"] [DRAWING "PLATE XXC"] |
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| [REPORT "ENGINEER INTELLIGENCE SUMMARY NO. 43"] [DRAWING "PLATE XX"] |
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| [REPORT "ENGINEER INTELLIGENCE SUMMARY NO. 43"] [DRAWING "GERMAN R MINE 43 (A. TK.)"] |
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| [REPORT "ENGINEER INTELLIGENCE SUMMARY NO. 43"] [DRAWING "GERMAN ELECTRIC IGNITER E.S. MI. Z. 40. FOR S. MINE"] |
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| [REPORT "ENGINEER INTELLIGENCE SUMMARY NO. 43"] [DRAWING "BP. B. DOUBLE LANDING BAY. CL.40 TYPE 3, PLATE XXB"] |
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| [REPORT "ENGINEER INTELLIGENCE SUMMARY NO. 43"] |
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| [REPORT "ENGINEER INTELLIGENCE SUMMARY NO. 43"] |
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| [REPORT "ENGINEER INTELLIGENCE SUMMARY NO. 43"] |
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| [REPORT "ENGINEER INTELLIGENCE SUMMARY NO. 43"] |
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| [REPORT "ENGINEER INTELLIGENCE SUMMARY NO. 42"] |
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| [REPORT "ENGINEER INTELLIGENCE SUMMARY NO. 41"] |
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| [REPORT "ENGINEER INTELLIGENCE SUMMARY NO. 40"] [DRAWING "GERMAN DRIFTING MINE"] |
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| [REPORT "ENGINEER INTELLIGENCE SUMMARY NO. 40"] |
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| [REPORT "ENGINEER INTELLIGENCE SUMMARY NO. 40"] |
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| [REPORT "ENGINEER INTELLIGENCE SUMMARY NO 39"] |
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| [REPORT "ENGINEER INTELLIGENCE SUMMARY NO 38"] |
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| [REPORT "ENGINEER INTELLIGENCE SUMMARY NO 37"] |
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