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  7/6/2021 12:13 PM        <dir> 1 Marine Observer Handbook
  7/6/2021 12:13 PM        <dir> 10 Index
  7/6/2021 12:13 PM        <dir> 2 Contents
  7/6/2021 12:13 PM        <dir> 3 Illustrations
  7/6/2021 12:14 PM        <dir> 4 Foreword
  7/6/2021 12:14 PM        <dir> 5 Part I Instrumental Observations
  7/6/2021 12:14 PM        <dir> 6  Part II Non-instrumental Observations
  7/6/2021 12:14 PM        <dir> 7  Part III Phenomena
  7/6/2021 12:14 PM        <dir> 8  Part IV Summary of Meteorological Work at Sea
  7/6/2021 12:14 PM        <dir> 9 Appendix