| [MEMORANDUM FROM CHIEF OF CHEMICAL WARFARE SERVICE, A.E.F. TO VARIOUS REGARDING REVISED RESPIRATOR DRILL] |
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| [MEMORANDUM FROM CHIEF OF CHEMICAL WARFARE SERVICE, A.E.F. TO VARIOUS REGARDING REVISED RESPIRATOR DRILL] |
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| [MEMORANDUM FROM CHIEF OF CHEMICAL WARFARE SERVICE, A.E.F. TO VARIOUS REGARDING REPORTS] |
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| [MEMORANDUM FROM CHIEF OF CHEMICAL WARFARE SERVICE, A.E.F. TO VARIOUS REGARDING REPORTS ON GAS ATTACKS AND CASUALTIES] |
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| [MEMORANDUM FROM CHIEF OF CHEMICAL WARFARE SERVICE, A.E.F. TO VARIOUS REGARDING REPORTS OF TRAINING] |
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| [MEMORANDUM FROM CHIEF OF CHEMICAL WARFARE SERVICE, A.E.F. TO VARIOUS REGARDING REPORTING ENEMY GAS ATTACKS] |
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| [MEMORANDUM FROM CHIEF OF CHEMICAL WARFARE SERVICE, A.E.F. TO VARIOUS REGARDING REPLACEMENT OF RESPIRATORS] |
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| [MEMORANDUM FROM CHIEF OF CHEMICAL WARFARE SERVICE, A.E.F. TO VARIOUS REGARDING REPAIR AND SALVAGE OF RESPIRATORS] |
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| [MEMORANDUM FROM CHIEF OF CHEMICAL WARFARE SERVICE, A.E.F. TO VARIOUS REGARDING RECORDS OF LIFE OF CANISTERS] |
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| [MEMORANDUM FROM CHIEF OF CHEMICAL WARFARE SERVICE, A.E.F. TO VARIOUS REGARDING QUICK SERVICE ON SHELL EXAMINATION AND REPORTS AVAILABLE NOW] |
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| [MEMORANDUM FROM CHIEF OF CHEMICAL WARFARE SERVICE, A.E.F. TO VARIOUS REGARDING QUALIFICATION OF OFFICERS] |
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| [MEMORANDUM FROM CHIEF OF CHEMICAL WARFARE SERVICE, A.E.F. TO VARIOUS REGARDING QUALIFICATION OF OFFICERS FOR THE CHEMICAL WARFARE SERVICE] |
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| [MEMORANDUM FROM CHIEF OF CHEMICAL WARFARE SERVICE, A.E.F. TO VARIOUS REGARDING PROTECTIVE SUITS] |
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| [MEMORANDUM FROM CHIEF OF CHEMICAL WARFARE SERVICE, A.E.F. TO VARIOUS REGARDING PROPOSED SYSTEM OF SUPPLY] |
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| [MEMORANDUM FROM CHIEF OF CHEMICAL WARFARE SERVICE, A.E.F. TO VARIOUS REGARDING PHOTOGRAPHS] |
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| [MEMORANDUM FROM CHIEF OF CHEMICAL WARFARE SERVICE, A.E.F. TO VARIOUS REGARDING ORGANIZATION OF GAS MEDICAL DEPARTMENT] |
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| [MEMORANDUM FROM CHIEF OF CHEMICAL WARFARE SERVICE, A.E.F. TO VARIOUS REGARDING OFFICE SUPPLIES] |
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| [MEMORANDUM FROM CHIEF OF CHEMICAL WARFARE SERVICE, A.E.F. TO VARIOUS REGARDING MONTHLY SHIPMENT OF SAMPLE CANISTERS AND RESPIRATORS] |
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| [MEMORANDUM FROM CHIEF OF CHEMICAL WARFARE SERVICE, A.E.F. TO VARIOUS REGARDING MASKS AUTHORIZED FOR A.E.F.] |
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| [MEMORANDUM FROM CHIEF OF CHEMICAL WARFARE SERVICE, A.E.F. TO VARIOUS REGARDING ISSUE OF TISSOT RESPIRATORS] |
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