Talbot, Frederick Arthur Ambrose, 1880- · London : W. Heinemann · leaf 134
hirty, forty, or more miles beyond theoutposts. The procedure is to instruct the flier either tocarry out his observations of the territory generally,or to report at length upon a specified stretch ofcountry. In the latter event he may fly to and froover the area in question until he has acquired…
Aeronautics, Military
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