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Observers' manuals
Astronomy
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Meteorology
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Charts, diagrams, etc
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Meteorology in aeronautics
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Catalogs
1
Double stars
1
Geomagnetic observatories
1
Geomagnetism
1
Great Britain
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Handbooks, manuals, etc
1
Magnetic instruments
1
Meteorological instruments
1
Observations
1
Periodicals
1
Soil science
1
Southern sky (Astronomy)
1
Weather forecasting
1
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