Report of the Boundary Commission Upon the Survey And Re-Marking of the Boundary Between the United States And Mexico West of the Rio Grande, 1891-1896 ..
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In our eReader you can find the full English version of the book. Read Report of the Boundary Commission Upon the Survey And Re-Marking of the Boundary Between the United States And Mexico West of the Rio Grande, 1891-1896 .. 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 Report of the Boundary Commission Upon the Survey And Re-Marking of the Boundary Between the United States And Mexico West of the Rio Grande, 1891-1896 ..
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To quickly assess the difficulty of the text, read a short excerpt:
The instrument was always used in the position in which increased nucrometer readings correspond to increased zenith distance of the object observed. The clamp for vertical motion of the telescope is an axis clamp. The time was computed from sextant observations of the sun's altitude.
The instrument was usually mounted on a wooden pier similar to that used for the azimuth instrument, but larger and heavier. The footplates supporting the foot screws of the instrument were screwed fast to the end... of the pier without the intervention of any cap, the upper end of the hollow pier being left open. This pier was placed in position in the large observing tent in the manner described in connection with the azimuth instrument. At Nogales and at Yuma the zenith telescope was mounted upon the brick pier which had previously been used as a latitude pier by the Coast and Geodetic Survey longitude party.
In the following tables, showing the latitude observations, the star numbers, unless they are otherwise indicated, refer to Prof.
What to read after Report of the Boundary Commission Upon the Survey And Re-Marking of the Boundary Between the United States And Mexico West of the Rio Grande, 1891-1896 ..?
You can find similar books in the "Read Also" column, or choose other free books by International Boundary Commission (United States And Mexico) 1882-1896. [from Old Catalog] to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
The instrument was always used in the position in which increased nucrometer readings correspond to increased zenith distance of the object observed. The clamp for vertical motion of the telescope is an axis clamp. The time was computed from sextant observations of the sun's altitude.
The instrument was usually mounted on a wooden pier similar to that used for the azimuth instrument, but larger and heavier. The footplates supporting the foot screws of the instrument were screwed fast to the end... of the pier without the intervention of any cap, the upper end of the hollow pier being left open. This pier was placed in position in the large observing tent in the manner described in connection with the azimuth instrument. At Nogales and at Yuma the zenith telescope was mounted upon the brick pier which had previously been used as a latitude pier by the Coast and Geodetic Survey longitude party.
In the following tables, showing the latitude observations, the star numbers, unless they are otherwise indicated, refer to Prof.
What to read after Report of the Boundary Commission Upon the Survey And Re-Marking of the Boundary Between the United States And Mexico West of the Rio Grande, 1891-1896 ..?
You can find similar books in the "Read Also" column, or choose other free books by International Boundary Commission (United States And Mexico) 1882-1896. [from Old Catalog] to read onlineMoreLess
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