An Account of the Foundation And Work of the Blue Hill Meteorological Observatory. [by] A. Lawrence Rotch ..
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An Account of the Foundation And Work of the Blue Hill Meteorological Observatory. [by] A. Lawrence Rotch ..
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In our eReader you can find the full English version of the book. Read An Account of the Foundation And Work of the Blue Hill Meteorological Observatory. [by] A. Lawrence Rotch .. Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book An Account of the Foundation And Work of the Blue Hill Meteorological Observatory. [by] A. Lawrence Rotch ..
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Since then, many self-recording and Other instruments have been added, several being brought from Europe last year by the writer. All the elements observed, with the exception of the force of the wind, the kind of clouds and their direction of motion, are now recorded continuously, and with the exception of the New York Meteorological Observ- atory in Central Park, the writer believes this Observatory to bo the best equipped in the United States. The instrumental outfit is now as follows : Baro...meters. These are kept in the lower room of the tower, where the temperature is most uniform. The Observatory standard is a Hicks Fortin barometer, reading to .002 inch.
Although verified at Kew Observatory, its connected readings, 8 THE BLUE HILL as determined indirectly, differ by — .013 inch from the Signal Office standards at Washington. A smaller Green barometer, which reads also to .002 inch, has been compared with those of the Signal Service at Washington and Boston. In reducing the pressure to sea-level, instead of applying a monthly constant, as was the practice of the Signal Service, the correction at Blue Hill is obtained from a table based on Laplace's formula, calcu- lated for a height of six hundred and forty feet, in which the temperature of the external air at the time of observation is one factor.
What to read after An Account of the Foundation And Work of the Blue Hill Meteorological Observatory. [by] A. Lawrence Rotch ..?
You can find similar books in the "Read Also" column, or choose other free books by Rotch, Abbott Lawrence, 1861-1912 to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Since then, many self-recording and Other instruments have been added, several being brought from Europe last year by the writer. All the elements observed, with the exception of the force of the wind, the kind of clouds and their direction of motion, are now recorded continuously, and with the exception of the New York Meteorological Observ- atory in Central Park, the writer believes this Observatory to bo the best equipped in the United States. The instrumental outfit is now as follows : Baro...meters. These are kept in the lower room of the tower, where the temperature is most uniform. The Observatory standard is a Hicks Fortin barometer, reading to .002 inch.
Although verified at Kew Observatory, its connected readings, 8 THE BLUE HILL as determined indirectly, differ by — .013 inch from the Signal Office standards at Washington. A smaller Green barometer, which reads also to .002 inch, has been compared with those of the Signal Service at Washington and Boston. In reducing the pressure to sea-level, instead of applying a monthly constant, as was the practice of the Signal Service, the correction at Blue Hill is obtained from a table based on Laplace's formula, calcu- lated for a height of six hundred and forty feet, in which the temperature of the external air at the time of observation is one factor.
What to read after An Account of the Foundation And Work of the Blue Hill Meteorological Observatory. [by] A. Lawrence Rotch ..?
You can find similar books in the "Read Also" column, or choose other free books by Rotch, Abbott Lawrence, 1861-1912 to read onlineMoreLess
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